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Area Code 240 Map, Cities and Telecommunication Exchanges

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Area code 240 is located in Maryland. The following table lists the area code exchanges and switches:

240 Area Code Exchanges & Switches:

Prefix Main City Company Zip Code Switch Name Prefix Type Introduced
(240) 200- Bandwidth.Com Clec CLEC 10/04/2010
(240) 200- Allegiance Telecom CLEC 04/13/2011
(240) 200- Paetec Communications CLEC 11/09/2010
(240) 200- Bandwidth.Com Clec CLEC 02/03/2012
(240) 200- Ymax Communications Corp CLEC 10/15/2010
(240) 200- Ymax Communications Corp CLEC 10/15/2010
(240) 202- UNKNOWN -
(240) 203- Hagerstown Sprint Spectrum 21740-6835 PCS 10/05/2011
(240) 203- Hagerstown Sprint Spectrum 21740-6835 PCS 10/05/2011
(240) 203- Hagerstown Sprint Spectrum 21740-6835 PCS 10/05/2011
(240) 203- Hagerstown Bandwidth.Com Clec 21740-6835 CLEC 08/14/2012
(240) 204- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 09/07/2011
(240) 204- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 05/15/2012
(240) 204- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 05/15/2012
(240) 204- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 05/15/2012
(240) 204- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 05/15/2012
(240) 204- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 05/15/2012
(240) 205- Cellco Partnership Dba Verizon Wireless WIRELESS 02/06/2006
(240) 205- New Cingular Wireless Pcs WIRELESS 07/23/2003
(240) 205- Cellco Partnership Dba Verizon Wireless WIRELESS 11/03/2005
(240) 205- Cellco Partnership Dba Verizon Wireless WIRELESS 09/06/2006
(240) 205- Level 3 Communications CLEC 12/05/2005
(240) 206- Washington Xo Maryland 20008-2304 WASHINGTON CLEC -
(240) 206- Washington Xo Maryland 20008-2304 WASHINGTON CLEC 07/20/2005
(240) 206- Washington Rnk 20008-2304 CLEC 08/17/2007
(240) 206- Washington Mci Worldcom Communications 20008-2304 RESTON CLEC 09/12/2008
(240) 206- Washington Comcast Phone Of Northern Maryland 20008-2304 CLEC 03/02/2006
(240) 207- Washington Bandwidth.Com Clec 20005-4083 CLEC 09/17/2010
(240) 207- Washington Comcast Phone Of Northern Maryland 20005-4083 CLEC 06/30/2005
(240) 207- Washington Rnk 20005-4083 CLEC 08/17/2007
(240) 209- Reston Peerless Network Of Illinois 20191-3474 CLEC -
(240) 210- Comcast Phone Of Northern Maryland CLEC 07/17/2007
(240) 211- UNKNOWN -
(240) 213- Reston Peerless Network Of Illinois 20191-3474 CLEC -
(240) 215- Ijamsville Telcove Operations 21754-9430 CLEC -
(240) 215- Ijamsville Level 3 Communications 21754-9430 CLEC 01/26/2005
(240) 215- Ijamsville Cellco Partnership Dba Verizon Wireless 21754-9430 WIRELESS 05/05/2005
(240) 216- Silver Spring Nextel Communications 20904-7822 WIRELESS 03/15/2001
(240) 216- Silver Spring Cellco Partnership Dba Verizon Wireless 20904-7822 WIRELESS 12/02/2010
(240) 217- Frederick Omnipoint Communications Cap Operations 21701-5672 FREDERICK PCS 12/18/2003
(240) 218- Reston Peerless Network Of Illinois 20191-3474 CLEC -
(240) 220- Reston Global Naps South 20191-3474 CLEC -
(240) 221- Rockville Bandwidth.Com Clec 20852-4801 WASZ 11 CLEC 09/17/2010
(240) 221- Rockville Vdl, Dba Global Telecom Brokers 20852-4801 WASZ 11 CLEC 02/24/2004
(240) 222- HERNDON Cellco Partnership Dba Verizon Wireless 22070 WIRELESS 05/05/2005
(240) 223- WASHINGTON Allegiance Telecom 20200 SOUTH MARYLAND CLEC -
(240) 224- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 09/10/2012
(240) 224- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 09/13/2012
(240) 225- MOUNT AIRY Core Communications 21771 CLEC -
(240) 227- UNKNOWN -
(240) 228- Laurel Verizon Maryland 20707-4315 LAUREL RBOC 05/30/2002
(240) 228- Laurel Verizon Maryland 20707-4315 LAUREL RBOC 01/10/2003
(240) 229- WASHINGTON Nextel Communications 20200 WIRELESS 03/23/2005
(240) 229- WASHINGTON Leap Wireless Intl, Dba Cricket Comm 20200 WASHINGTON PCS 07/29/2010
(240) 229- WASHINGTON Nextel Communications 20200 WIRELESS 12/22/2005
(240) 230- Washington Global Crossing Local Services 20005-4018 WASHINGTON DC CLEC -
(240) 230- Washington Bandwidth.Com Clec 20005-4018 CLEC 01/26/2010
(240) 231- MOUNT AIRY Core Communications 21771 CLEC -
(240) 232- WASHINGTON Bandwidth.Com Clec 20200 CLEC 07/15/2010
(240) 232- WASHINGTON Bandwidth.Com Clec 20200 CLEC 01/28/2011
(240) 233- Washington Teleport Communications Group 20004-1107 WASHINGTON CLEC -
(240) 233- Washington Level 3 Communications 20004-1107 CLEC 02/08/2006
(240) 233- Washington Bandwidth.Com Clec 20004-1107 CLEC 03/07/2011
(240) 233- Washington Bandwidth.Com Clec 20004-1107 CLEC 01/20/2010
(240) 233- Washington Bandwidth.Com Clec 20004-1107 CLEC 02/10/2011
(240) 234- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 10/04/2011
(240) 234- Annapolis Junction Sprint Spectrum 20701-1104 PCS 10/25/2011
(240) 234- Annapolis Junction Sprint Spectrum 20701-1104 PCS 10/25/2011
(240) 234- Annapolis Junction Sprint Spectrum 20701-1104 PCS 10/25/2011
(240) 234- Annapolis Junction Sprint Spectrum 20701-1104 PCS 10/25/2011
(240) 235- Chevy Chase Paetec Communications 20815-5205 MONTGOMERY CLEC -
(240) 236- Frederick Verizon Maryland 21701-5672 FREDERICK RBOC 05/17/2002
(240) 237- Washington Omnipoint Communications Cap Operations 20005-3903 PCS 01/26/2004
(240) 237- Washington Bandwidth.Com Clec 20005-3903 CLEC 08/08/2011
(240) 237- Washington Nextel Communications 20005-3903 WIRELESS 02/04/2004
(240) 237- Washington Idt America Corp 20005-3903 CLEC 08/30/2007
(240) 238- Chevy Chase Paetec Communications 20815-5205 MONTGOMERY CLEC -
(240) 240- UNKNOWN -
(240) 241- Lanham Bandwidth.Com Clec 20706-4347 CLEC 04/01/2010
(240) 241- Lanham Xo Maryland 20706-4347 WASHINGTON CLEC 06/12/2007
(240) 242- Lanham Starpower Communications 20706-4347 CLEC -
(240) 242- Lanham Comcast Phone Of Northern Maryland 20706-4347 CLEC 06/07/2006
(240) 242- Lanham Ctc Communications Corp 20706-4347 WASHDCMTX7X CLEC 08/09/2006
(240) 242- Lanham Bandwidth.Com Clec 20706-4347 CLEC 11/17/2008
(240) 244- Lanham Starpower Communications 20706-4347 CLEC -
(240) 244- Lanham Comcast Phone Of Northern Maryland 20706-4347 CLEC 02/06/2006
(240) 244- Lanham Cbeyond Comm 20706-4347 CLEC 05/21/2008
(240) 244- Lanham Bandwidth.Com Clec 20706-4347 CLEC 01/26/2010
(240) 244- Lanham Bandwidth.Com Clec 20706-4347 CLEC 11/17/2008
(240) 245- Lanham Bandwidth.Com Clec 20706-4347 CLEC 11/17/2008
(240) 245- Lanham Infotelecom 20706-4347 UNKNOWN 09/12/2012
(240) 245- Lanham Comcast Phone Of Northern Maryland 20706-4347 CLEC 09/25/2006
(240) 245- Lanham Rnk 20706-4347 CLEC 07/21/2010
(240) 246- Lanham Starpower Communications 20706-4347 CLEC -
(240) 246- Lanham New Cingular Wireless Pcs 20706-4347 WIRELESS 12/17/2004
(240) 246- Lanham New Cingular Wireless Pcs 20706-4347 WIRELESS 12/17/2004
(240) 247- WASHINGTON Allegiance Telecom 20200 SOUTH MARYLAND CLEC -
(240) 248- Reston Global Naps South 20191-3474 CLEC -
(240) 249- Washington Level 3 Communications 20004-1107 CLEC 02/06/2006
(240) 249- Washington Bandwidth.Com Clec 20004-1107 CLEC 05/29/2012
(240) 249- Washington Bandwidth.Com Clec 20004-1107 MONTGOMERY CLEC 09/17/2010
(240) 249- Washington Level 3 Communications 20004-1107 CLEC 08/01/2008
(240) 251- MOUNT AIRY Core Communications 21771 CLEC -
(240) 252- New Cingular Wireless Pcs WIRELESS 02/10/2004
(240) 252- Level 3 Communications CLEC 01/10/2011
(240) 252- Level 3 Communications CLEC 02/18/2005
(240) 252- Level 3 Communications CLEC 02/18/2005
(240) 252- New Cingular Wireless Pcs WIRELESS 02/10/2004
(240) 253- Washington Comcast Phone Of Northern Maryland 20005-4018 CLEC 02/06/2006
(240) 253- Washington Omnipoint Communications Cap Operations 20005-4018 PCS 08/14/2007
(240) 254- Washington Xo Maryland 20004-1107 WASHINGTON CLEC 07/20/2005
(240) 254- Washington Comcast Phone Of Northern Maryland 20004-1107 CLEC 06/30/2005
(240) 254- Washington Xo Maryland 20004-1107 WASHINGTON CLEC 07/20/2005
(240) 254- Washington Core Communications 20004-1107 CLEC 02/26/2004
(240) 256- Washington Teleport Communications Group 20004-1107 WASHINGTON CLEC -
(240) 256- Washington Us Lec Of Maryland 20004-1107 MCLEAN CLEC 01/15/2004
(240) 256- Washington Level 3 Communications 20004-1107 CLEC 02/06/2006
(240) 256- Washington New Cingular Wireless Pcs 20004-1107 WIRELESS 04/21/2004
(240) 256- Washington Xo Maryland 20004-1107 WASHINGTON CLEC 07/20/2005
(240) 257- Washington Teleport Communications Group 20004-1107 WASHINGTON CLEC -
(240) 257- Washington Us Lec Of Maryland 20004-1107 MCLEAN CLEC 01/15/2004
(240) 257- Washington Bandwidth.Com Clec 20004-1107 CLEC 07/15/2010
(240) 257- Washington Bandwidth.Com Clec 20004-1107 CLEC 10/19/2010
(240) 257- Washington Bandwidth.Com Clec 20004-1107 CLEC 07/18/2011
(240) 258- Washington Core Communications 20004-1107 CLEC 02/26/2004
(240) 258- Washington Level 3 Communications 20004-1107 CLEC 02/08/2006
(240) 258- Washington Rnk 20004-1107 CLEC 09/24/2007
(240) 258- Washington Level 3 Communications 20004-1107 CLEC 02/01/2008
(240) 258- Washington Bandwidth.Com Clec 20004-1107 CLEC 11/17/2008
(240) 260- WASHINGTON Allegiance Telecom 20200 SOUTH MARYLAND CLEC -
(240) 262- Washington Sprint Spectrum 20036-4957 PCS 10/17/2011
(240) 262- Washington Sprint Spectrum 20036-4957 PCS 10/19/2011
(240) 262- Washington Sprint Spectrum 20036-4957 PCS 10/19/2011
(240) 262- Washington Sprint Spectrum 20036-4957 PCS 10/19/2011
(240) 262- Washington Sprint Spectrum 20036-4957 PCS 10/19/2011
(240) 262- Washington Sprint Spectrum 20036-4957 PCS 10/19/2011
(240) 263- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 263- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 263- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 263- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 263- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 264- Beltsville Verizon Maryland 20705-1378 MUIRKIRK RBOC -
(240) 264- Beltsville Xo Maryland 20705-1378 WASHINGTON CLEC 09/29/2006
(240) 264- Beltsville Omnipoint Communications Cap Operations 20705-1378 PCS 04/13/2007
(240) 265- Beltsville Sprint Spectrum 20705-1238 PCS 11/10/2011
(240) 265- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 265- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 265- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 265- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 265- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 268- WASHINGTON Allegiance Telecom 20200 SOUTH MARYLAND CLEC -
(240) 270- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 11/07/2011
(240) 270- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 09/06/2012
(240) 270- Washington Leap Wireless Intl, Dba Cricket Comm 20024-3206 WASHINGTON PCS 11/10/2011
(240) 270- Washington Infotelecom 20024-3206 UNKNOWN 09/11/2012
(240) 270- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 05/04/2012
(240) 272- Beltsville Sprint Spectrum 20705-1238 PCS 11/10/2011
(240) 272- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 272- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 272- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 272- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 272- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 273- WASHINGTON Bandwidth.Com Clec 20200 CLEC 09/26/2011
(240) 273- WASHINGTON Omnipoint Communications Cap Operations 20200 PCS 08/17/2005
(240) 273- WASHINGTON Omnipoint Communications Cap Operations 20200 PCS 04/15/2003
(240) 275- MOUNT AIRY Core Communications 21771 CLEC -
(240) 276- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 05/05/2004
(240) 276- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 05/05/2004
(240) 276- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 05/05/2004
(240) 276- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 05/05/2004
(240) 276- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 05/05/2004
(240) 277- Beltsville Sprint Spectrum 20705-1238 PCS 10/18/2002
(240) 278- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 07/08/2011
(240) 278- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 09/02/2011
(240) 278- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 09/02/2011
(240) 278- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 09/15/2011
(240) 278- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 08/08/2011
(240) 279- Damascus Core Communications 20872-1829 CLEC -
(240) 280- Xo Maryland CLEC 08/30/2004
(240) 280- Comcast Phone Of Northern Maryland CLEC 07/05/2006
(240) 280- Leap Wireless Intl, Dba Cricket Comm PCS 03/23/2009
(240) 280- Leap Wireless Intl, Dba Cricket Comm PCS 07/01/2009
(240) 280- Comcast Phone Of Northern Maryland CLEC 01/21/2002
(240) 281- New Cingular Wireless Pcs WIRELESS -
(240) 283- Chevy Chase Paetec Communications 20815-5205 MONTGOMERY CLEC -
(240) 283- Chevy Chase Bandwidth.Com Clec 20815-5205 CLEC 05/28/2010
(240) 284- Frederick Level 3 Communications 21701-5672 CLEC 11/01/2004
(240) 284- Frederick Idt America Corp 21701-5672 CLEC 02/10/2006
(240) 284- Frederick Bandwidth.Com Clec 21701-5672 CLEC 11/05/2008
(240) 284- Frederick Level 3 Communications 21701-5672 CLEC 07/03/2006
(240) 284- Frederick Bandwidth.Com Clec 21701-5672 CLEC 05/28/2010
(240) 285- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 08/06/2003
(240) 285- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 09/08/2004
(240) 285- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 11/02/2004
(240) 285- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 04/05/2004
(240) 285- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 07/02/2003
(240) 286- Silver Spring Nextel Communications 20904-7822 WIRELESS 09/17/2002
(240) 286- Silver Spring Nextel Communications 20904-7822 WIRELESS 11/25/2002
(240) 286- Silver Spring Nextel Communications 20904-7822 WIRELESS 03/17/2003
(240) 286- Silver Spring Nextel Communications 20904-7822 WIRELESS 07/22/2003
(240) 286- Silver Spring Nextel Communications 20904-7822 WIRELESS 02/04/2003
(240) 286- Silver Spring Nextel Communications 20904-7822 WIRELESS 07/22/2003
(240) 288- Frederick Comcast Phone Of Northern Maryland 21701-5672 CLEC 11/01/2004
(240) 288- Frederick At&T Local 21701-5672 MONROVIA CLEC 03/07/2006
(240) 288- Frederick Comcast Phone Of Northern Maryland 21701-5672 CLEC 02/26/2007
(240) 289- HERNDON Level 3 Communications 22070 CLEC 02/01/2008
(240) 290- WASHINGTON Allegiance Telecom 20200 SOUTH MARYLAND CLEC -
(240) 291- New Cingular Wireless Pcs WIRELESS 11/05/2002
(240) 291- New Cingular Wireless Pcs WIRELESS 05/17/2004
(240) 291- Omnipoint Communications Cap Operations FREDERICK PCS 02/05/2004
(240) 291- New Cingular Wireless Pcs WIRELESS 03/02/2005
(240) 291- New Cingular Wireless Pcs WIRELESS 09/10/2004
(240) 292- Silver Spring Verizon Maryland 20906-4517 WASZ 11 RBOC -
(240) 292- Silver Spring Level 3 Communications 20906-4517 CLEC 02/05/2005
(240) 292- Silver Spring Tw Telecom Of Maryland 20906-4517 LAUREL CLEC 04/15/2009
(240) 292- Silver Spring Xo Maryland 20906-4517 WASHINGTON CLEC 06/29/2007
(240) 292- Silver Spring Bandwidth.Com Clec 20906-4517 CLEC 04/08/2011
(240) 293- Lanham Bandwidth.Com Clec 20706-4347 CLEC 09/28/2010
(240) 293- Lanham Level 3 Communications 20706-4347 CLEC 12/20/2004
(240) 293- Lanham Level 3 Communications 20706-4347 CLEC 01/23/2003
(240) 293- Lanham Comcast Phone Of Northern Maryland 20706-4347 CLEC 06/30/2005
(240) 293- Lanham Broadwing Communications 20706-4347 CLEC 06/16/2006
(240) 294- Washington Paetec Communications 20008-2304 WASHINGTON CLEC 09/29/2005
(240) 294- Washington Rnk 20008-2304 CLEC 07/02/2007
(240) 294- Washington Paetec Communications 20008-2304 WASHINGTON CLEC 05/09/2007
(240) 294- Washington Comcast Phone Of Northern Maryland 20008-2304 CLEC 09/10/2007
(240) 295- HERNDON Verizon Maryland 22070 LAUREL RBOC 06/16/2008
(240) 296- HERNDON Cavalier Telephone Mid Atlantic 22070 CLEC -
(240) 297- Level 3 Communications CLEC -
(240) 297- Level 3 Communications CLEC 12/20/2004
(240) 297- Level 3 Communications CLEC 12/27/2004
(240) 297- Level 3 Communications CLEC 02/29/2012
(240) 298- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS -
(240) 300- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 12/07/2010
(240) 300- Washington Leap Wireless Intl, Dba Cricket Comm 20024-3206 WASHINGTON PCS 03/22/2011
(240) 300- Washington Leap Wireless Intl, Dba Cricket Comm 20024-3206 WASHINGTON PCS 03/22/2011
(240) 300- Washington Sprint Spectrum 20024-3206 PCS 04/22/2011
(240) 300- Washington Sprint Spectrum 20024-3206 PCS 04/22/2011
(240) 300- Washington Sprint Spectrum 20024-3206 PCS 04/22/2011
(240) 303- HERNDON Cavalier Telephone Mid Atlantic 22070 CLEC -
(240) 303- HERNDON Infotelecom 22070 UNKNOWN 09/12/2012
(240) 304- Silver Spring Nextel Communications 20904-7822 WIRELESS 04/21/2003
(240) 304- Silver Spring Nextel Communications 20904-7822 WIRELESS 04/21/2003
(240) 304- Silver Spring Nextel Communications 20904-7822 WIRELESS 04/16/2004
(240) 304- Silver Spring Nextel Communications 20904-7822 WIRELESS 02/05/2003
(240) 304- Silver Spring Nextel Communications 20904-7822 WIRELESS 10/31/2002
(240) 305- Beltsville Sprint Spectrum 20705-1238 PCS -
(240) 307- Monrovia At&T Local 21770-9020 MONROVIA CLEC 03/27/2003
(240) 307- Monrovia Mcimetro Access Transmission Services 21770-9020 FREDERICK CLEC 05/27/2008
(240) 308- New Cingular Wireless Pcs WIRELESS -
(240) 308- Mcimetro Access Transmission Services WASHINGTON CLEC 11/30/2006
(240) 309- Laurel Cellco Partnership Dba Verizon Wireless 20707-6102 LAUREL WIRELESS 09/10/2012
(240) 309- Laurel Cellco Partnership Dba Verizon Wireless 20707-6102 LAUREL WIRELESS 09/13/2012
(240) 309- Laurel Level 3 Communications 20707-6102 CLEC 11/07/2012
(240) 310- Cumberland Us Lec Of Maryland 21502-3018 FREDERICK CLEC 01/15/2008
(240) 310- Cumberland New Cingular Wireless Pcs 21502-3018 WIRELESS 02/08/2008
(240) 310- Cumberland Omnipoint Communications Cap Operations 21502-3018 FREDERICK PCS 02/15/2008
(240) 310- Cumberland Sprint Spectrum 21502-3018 PCS 09/29/2011
(240) 311- UNKNOWN -
(240) 312- HERNDON Level 3 Communications 22070 CLEC 11/14/2005
(240) 313- Hagerstown Verizon Maryland 21740-5403 HAGERSTOWN RBOC -
(240) 313- Hagerstown Verizon Maryland 21740-5403 HAGERSTOWN RBOC 09/18/2001
(240) 313- Hagerstown New Cingular Wireless Pcs 21740-5403 WIRELESS 12/16/2004
(240) 313- Hagerstown At&T Local 21740-5403 MONROVIA CLEC 08/02/2002
(240) 314- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC -
(240) 315- Frederick Verizon Maryland 21701-5672 FREDERICK RBOC -
(240) 315- Frederick Nextel Communications 21701-5672 WIRELESS 11/30/2004
(240) 315- Frederick Cellco Partnership Dba Verizon Wireless 21701-5672 WIRELESS 12/06/2004
(240) 315- Frederick Cellco Partnership Dba Verizon Wireless 21701-5672 WIRELESS 03/03/2005
(240) 315- Frederick Cellco Partnership Dba Verizon Wireless 21701-5672 WIRELESS 06/02/2005
(240) 316- Beltsville Sprint Spectrum 20705-1238 PCS 10/15/2009
(240) 316- Beltsville Sprint Spectrum 20705-1238 PCS 10/15/2009
(240) 316- Beltsville Rnk 20705-1238 CLEC 07/21/2010
(240) 316- Beltsville Sprint Spectrum 20705-1238 PCS 11/19/2008
(240) 316- Beltsville Sprint Spectrum 20705-1238 PCS 11/19/2008
(240) 317- Lanham Starpower Communications 20706-4347 CLEC -
(240) 317- Lanham Level 3 Communications 20706-4347 CLEC 02/01/2008
(240) 317- Lanham Rnk 20706-4347 CLEC 09/24/2007
(240) 317- Lanham Xo Maryland 20706-4347 WASHINGTON CLEC 01/24/2007
(240) 317- Lanham Bandwidth.Com Clec 20706-4347 CLEC 11/17/2008
(240) 318- Clinton Comcast Phone Of Northern Maryland 20735-2043 CLEC 02/11/2008
(240) 318- Clinton Vdl, Dba Global Telecom Brokers 20735-2043 WASZ 16 CLEC 02/24/2004
(240) 319- Baltimore Cellco Partnership Dba Verizon Wireless 21202-2103 WIRELESS 06/09/2008
(240) 319- Baltimore Cellco Partnership Dba Verizon Wireless 21202-2103 WIRELESS 09/03/2009
(240) 319- Baltimore Bandwidth.Com Clec 21202-2103 CLEC 03/22/2010
(240) 319- Baltimore Cellco Partnership Dba Verizon Wireless 21202-2103 WIRELESS 06/03/2010
(240) 319- Baltimore Bandwidth.Com Clec 21202-2103 CLEC 09/28/2010
(240) 320- Washington Cavalier East 20005-4083 CLEC -
(240) 320- Washington Cellco Partnership Dba Verizon Wireless 20005-4083 WIRELESS 08/02/2005
(240) 320- Washington Cellco Partnership Dba Verizon Wireless 20005-4083 WIRELESS 10/07/2005
(240) 320- Washington Cellco Partnership Dba Verizon Wireless 20005-4083 WIRELESS 01/05/2006
(240) 321- CUMBERLAND New Cingular Wireless Pcs 21502 WIRELESS 10/27/2008
(240) 322- MOUNT AIRY Core Communications 21771 CLEC -
(240) 324- Ymax Communications Corp CLEC 10/08/2008
(240) 324- Ymax Communications Corp CLEC 10/09/2008
(240) 324- Ymax Communications Corp CLEC 07/14/2009
(240) 324- Ymax Communications Corp CLEC 07/14/2009
(240) 324- Bandwidth.Com Clec CLEC 01/31/2011
(240) 324- Bandwidth.Com Clec CLEC 03/07/2011
(240) 326- HERNDON Cavalier Telephone Mid Atlantic 22070 CLEC -
(240) 327- Damascus Core Communications 20872-1829 CLEC -
(240) 328- Rockville New Cingular Wireless Pcs 20850-2600 WASZ 10 - ROCKVILLE WIRELESS 12/19/2003
(240) 328- Rockville New Cingular Wireless Pcs 20850-2600 WIRELESS 06/07/2005
(240) 328- Rockville Cellco Partnership Dba Verizon Wireless 20850-2600 WASZ 10 - ROCKVILLE WIRELESS 09/07/2005
(240) 328- Rockville New Cingular Wireless Pcs 20850-2600 WIRELESS 02/22/2006
(240) 328- Rockville Cellco Partnership Dba Verizon Wireless 20850-2600 WASZ 10 - ROCKVILLE WIRELESS 09/07/2005
(240) 329- Frederick New Cingular Wireless Pcs 21701-5672 WIRELESS 07/17/2006
(240) 329- Frederick Level 3 Communications 21701-5672 CLEC 03/21/2005
(240) 329- Frederick Fibernet 21701-5672 CLEC 09/19/2005
(240) 329- Frederick Sprint Spectrum 21701-5672 PCS 05/03/2005
(240) 330- Beltsville Sprint Spectrum 20705-1238 PCS 12/14/2007
(240) 330- Beltsville Us Lec Of Maryland 20705-1238 MCLEAN CLEC 04/24/2008
(240) 330- Beltsville Omnipoint Communications Cap Operations 20705-1238 PCS 09/12/2008
(240) 330- Beltsville Omnipoint Communications Cap Operations 20705-1238 PCS 09/12/2008
(240) 330- Beltsville Sprint Spectrum 20705-1238 PCS 12/18/2007
(240) 330- Beltsville Sprint Spectrum 20705-1238 PCS 12/18/2007
(240) 332- Reston Global Naps South 20191-3474 CLEC -
(240) 334- Washington Global Crossing Local Services 20005-4018 WASHINGTON DC CLEC -
(240) 336- Damascus Core Communications 20872-1829 CLEC -
(240) 338- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS -
(240) 338- Annapolis Junction New Cingular Wireless Pcs 20701-1104 WIRELESS 01/09/2003
(240) 338- Annapolis Junction New Cingular Wireless Pcs 20701-1104 WIRELESS 01/09/2003
(240) 339- Washington Cavalier East 20005-4083 CLEC -
(240) 339- Washington Cbeyond Comm 20005-4083 CLEC 05/21/2008
(240) 339- Washington Bandwidth.Com Clec 20005-4083 CLEC 05/28/2010
(240) 339- Washington Infotelecom 20005-4083 UNKNOWN 09/12/2012
(240) 340- Beltsville Sprint Spectrum 20705-1238 PCS 08/22/2011
(240) 340- Beltsville Sprint Spectrum 20705-1238 PCS 08/22/2011
(240) 340- Beltsville Sprint Spectrum 20705-1238 PCS 08/22/2011
(240) 340- Beltsville Sprint Spectrum 20705-1238 PCS 08/22/2011
(240) 340- Beltsville Sprint Spectrum 20705-1238 PCS 08/22/2011
(240) 341- Mci Worldcom Communications BUCKEYSTN CLEC 02/25/2009
(240) 341- Teleport Communications Group America CLEC 06/21/2012
(240) 342- Lanham Starpower Communications 20706-4347 CLEC -
(240) 342- Lanham Comcast Phone Of Northern Maryland 20706-4347 CLEC 06/30/2005
(240) 342- Lanham Rnk 20706-4347 CLEC 09/24/2007
(240) 342- Lanham Bandwidth.Com Clec 20706-4347 CLEC 11/17/2008
(240) 343- Cellco Partnership Dba Verizon Wireless WIRELESS 05/13/2011
(240) 343- Bandwidth.Com Clec CLEC 07/05/2011
(240) 343- Bandwidth.Com Clec CLEC 08/08/2011
(240) 343- Bandwidth.Com Clec CLEC 08/08/2011
(240) 344- New Cingular Wireless Pcs WIRELESS 10/31/2002
(240) 344- New Cingular Wireless Pcs WIRELESS 01/30/2004
(240) 344- New Cingular Wireless Pcs WIRELESS 06/08/2004
(240) 344- New Cingular Wireless Pcs WIRELESS 10/01/2004
(240) 344- New Cingular Wireless Pcs WIRELESS 12/13/2004
(240) 345- Baltimore Level 3 Communications 21201-3418 BALTIMORE CLEC 03/09/2006
(240) 345- Baltimore Comcast Phone Of Northern Maryland 21201-3418 CLEC 07/17/2006
(240) 345- Baltimore Mci Worldcom Communications 21201-3418 BALTIMORE CLEC 11/14/2007
(240) 345- Baltimore Ymax Communications Corp 21201-3418 CLEC 04/01/2008
(240) 345- Baltimore Ymax Communications Corp 21201-3418 CLEC 05/29/2008
(240) 346- Washington Sprint Spectrum 20036-4957 PCS -
(240) 346- Washington Sprint Spectrum 20036-4957 PCS 10/26/2006
(240) 347- Bandwidth.Com Clec CLEC 08/07/2008
(240) 347- Bandwidth.Com Clec CLEC 01/26/2010
(240) 347- Sprint Communications Company CLEC 07/30/2010
(240) 347- Ymax Communications Corp CLEC 03/12/2009
(240) 347- Ymax Communications Corp CLEC 03/12/2009
(240) 348- Level 3 Communications CLEC -
(240) 348- Rnk CLEC 07/21/2010
(240) 348- Level 3 Communications CLEC 12/21/2011
(240) 348- Level 3 Communications CLEC 12/21/2012
(240) 349- Washington Comcast Phone Of Northern Maryland 20005-4018 CLEC 06/30/2005
(240) 349- Washington Rnk 20005-4018 CLEC 09/24/2007
(240) 350- Beltsville Sprint Spectrum 20705-1238 PCS -
(240) 352- Reston Global Naps South 20191-3474 CLEC -
(240) 354- Beltsville Sprint Spectrum 20705-1238 PCS -
(240) 356- Frederick Level 3 Communications 21701-5672 CLEC -
(240) 356- Frederick Level 3 Communications 21701-5672 CLEC 06/23/2005
(240) 356- Frederick Level 3 Communications 21701-5672 CLEC 05/17/2002
(240) 356- Frederick Ymax Communications Corp 21701-5672 CLEC 03/04/2009
(240) 357- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 06/12/2006
(240) 357- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 07/03/2007
(240) 357- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 11/28/2007
(240) 357- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 05/02/2007
(240) 357- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 06/04/2007
(240) 357- FREDERICK Telcove Operations 21701 CLEC 11/09/2006
(240) 359- Reston Global Naps South 20191-3474 CLEC -
(240) 361- HERNDON New Cingular Wireless Pcs 22070 WIRELESS 01/03/2006
(240) 362- CRESAPTOWN Verizon Maryland 21502 CRESAPTOWN RBOC -
(240) 362- CRESAPTOWN Uscoc Of Cumberland, Dba United States Cel 21502 WIRELESS 01/19/2005
(240) 362- CRESAPTOWN Uscoc Of Cumberland, Dba United States Cel 21502 WIRELESS 01/19/2005
(240) 362- CRESAPTOWN Uscoc Of Cumberland, Dba United States Cel 21502 WIRELESS 06/21/2006
(240) 362- CRESAPTOWN Uscoc Of Cumberland, Dba United States Cel 21502 WIRELESS 03/01/2007
(240) 363- Reston Global Naps South 20191-3474 CLEC -
(240) 364- Washington New Cingular Wireless Pcs 20005-4083 WIRELESS 10/05/2007
(240) 366- Monrovia At&T Local 21770-9020 MONROVIA CLEC -
(240) 366- Monrovia Us Lec Of Maryland 21770-9020 FREDERICK CLEC 09/07/2011
(240) 366- Monrovia Sprint Communications Company 21770-9020 CLEC 04/18/2006
(240) 367- Frederick Nextel Communications 21702-1513 WIRELESS 06/30/2003
(240) 367- Frederick Omnipoint Communications Cap Operations 21702-1513 FREDERICK PCS 09/02/2005
(240) 367- Frederick New Cingular Wireless Pcs 21702-1513 WIRELESS 02/22/2006
(240) 367- Frederick Nextel Communications 21702-1513 WIRELESS 03/17/2003
(240) 367- Frederick Bandwidth.Com Clec 21702-1513 CLEC 10/13/2004
(240) 369- MOUNT AIRY Core Communications 21771 CLEC -
(240) 370- Beltsville Sprint Spectrum 20705-1238 PCS 12/17/2007
(240) 370- Beltsville Sprint Spectrum 20705-1238 PCS 12/17/2007
(240) 370- Beltsville Sprint Spectrum 20705-1238 PCS 12/17/2007
(240) 370- Beltsville Sprint Spectrum 20705-1238 PCS 12/17/2007
(240) 370- Beltsville Sprint Spectrum 20705-1238 PCS 12/17/2007
(240) 371- Reston Global Naps South 20191-3474 CLEC -
(240) 373- ODENTON Verizon Maryland 21113 ODENTON RBOC -
(240) 374- Washington Omnipoint Communications Cap Operations 20005-4018 PCS 08/17/2005
(240) 374- Washington Omnipoint Communications Cap Operations 20005-4018 PCS 05/19/2008
(240) 375- Silver Spring Nextel Communications 20904-7822 WIRELESS -
(240) 377- Washington Global Crossing Local Services 20005-4018 WASHINGTON DC CLEC -
(240) 377- Washington New Cingular Wireless Pcs 20005-4018 WIRELESS 07/12/2006
(240) 377- Washington New Cingular Wireless Pcs 20005-4018 WIRELESS 10/16/2006
(240) 378- MOUNT AIRY Core Communications 21771 CLEC -
(240) 380- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 09/17/2007
(240) 380- Annapolis Junction Us Lec Of Maryland 20701-1104 MCLEAN CLEC 12/14/2007
(240) 380- Annapolis Junction Level 3 Communications 20701-1104 CLEC 01/15/2008
(240) 380- Annapolis Junction Sprint Spectrum 20701-1104 PCS 12/10/2007
(240) 380- Annapolis Junction Sprint Spectrum 20701-1104 PCS 12/10/2007
(240) 380- Annapolis Junction Sprint Spectrum 20701-1104 PCS 12/10/2007
(240) 382- Teleport Communications Group America FREDERICK CLEC 06/11/2009
(240) 382- Comcast Phone Of Northern Maryland CLEC 11/18/2009
(240) 382- Bandwidth.Com Clec CLEC 11/03/2010
(240) 382- Sprint Spectrum PCS 03/04/2010
(240) 382- Sprint Spectrum PCS 03/04/2010
(240) 382- Sprint Spectrum PCS 12/23/2009
(240) 383- Xo Maryland CLEC 06/12/2007
(240) 383- Ymax Communications Corp CLEC 09/24/2008
(240) 383- New Cingular Wireless Pcs WIRELESS 03/14/2005
(240) 383- New Cingular Wireless Pcs WIRELESS 03/14/2005
(240) 384- Reston Global Naps South 20191-3474 CLEC -
(240) 385- MYERSVILLE Sprint Spectrum 21773 PCS 10/11/2011
(240) 385- MYERSVILLE Ymax Communications Corp 21773 CLEC 03/04/2009
(240) 385- MYERSVILLE Cellco Partnership Dba Verizon Wireless 21773 WIRELESS 01/04/2011
(240) 385- MYERSVILLE Cellco Partnership Dba Verizon Wireless 21773 WIRELESS 07/05/2011
(240) 385- MYERSVILLE Bandwidth.Com Clec 21773 CLEC 11/17/2008
(240) 386- Gaithersburg Omnipoint Communications Cap Operations 20877-2412 BELTSVILLE PCS 04/04/2006
(240) 386- Gaithersburg Omnipoint Communications Cap Operations 20877-2412 BELTSVILLE PCS 08/14/2007
(240) 387- Washington Xo Maryland 20005-4083 WASHINGTON CLEC 01/25/2007
(240) 388- Silver Spring Nextel Communications 20904-7822 WIRELESS 11/04/2002
(240) 388- Silver Spring Nextel Communications 20904-7822 WIRELESS 04/19/2003
(240) 388- Silver Spring Nextel Communications 20904-7822 WIRELESS 04/16/2004
(240) 388- Silver Spring New Cingular Wireless Pcs 20904-7822 WIRELESS 11/19/2007
(240) 388- Silver Spring Nextel Communications 20904-7822 WIRELESS 02/05/2003
(240) 388- Silver Spring Bandwidth.Com Clec 20904-7822 CLEC 10/13/2004
(240) 389- WASHINGTON Bandwidth.Com Clec 20200 CLEC 02/11/2010
(240) 389- WASHINGTON Bandwidth.Com Clec 20200 CLEC 12/22/2009
(240) 389- WASHINGTON Bandwidth.Com Clec 20200 CLEC 12/22/2009
(240) 389- WASHINGTON Omnipoint Communications Cap Operations 20200 BELTSVILLE PCS 08/26/2010
(240) 389- WASHINGTON Rnk 20200 CLEC 07/16/2010
(240) 390- HERNDON Xo Maryland 22070 WASHINGTON CLEC 07/17/2006
(240) 390- HERNDON Bandwidth.Com Clec 22070 CLEC 01/28/2011
(240) 391- Washington Rnk 20005-4018 CLEC 09/14/2007
(240) 391- Washington Bandwidth.Com Clec 20005-4018 CLEC 09/28/2010
(240) 392- Lanham Starpower Communications 20706-4347 CLEC -
(240) 392- Lanham Bandwidth.Com Clec 20706-4347 CLEC 04/30/2010
(240) 392- Lanham Level 3 Communications 20706-4347 CLEC 12/05/2005
(240) 392- Lanham Omnipoint Communications Cap Operations 20706-4347 BELTSVILLE PCS 07/12/2011
(240) 393- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS -
(240) 393- Annapolis Junction New Cingular Wireless Pcs 20701-1104 WIRELESS 10/15/2003
(240) 393- Annapolis Junction New Cingular Wireless Pcs 20701-1104 WIRELESS 09/17/2003
(240) 393- Annapolis Junction New Cingular Wireless Pcs 20701-1104 WIRELESS 03/24/2003
(240) 394- New Cingular Wireless Pcs WIRELESS 12/14/2004
(240) 394- New Cingular Wireless Pcs WIRELESS 12/14/2004
(240) 394- Level 3 Communications CLEC 03/03/2008
(240) 394- Bandwidth.Com Clec CLEC 07/05/2011
(240) 394- Bandwidth.Com Clec CLEC 08/08/2011
(240) 395- HERNDON Cavalier Telephone Mid Atlantic 22070 CLEC -
(240) 396- Washington Global Crossing Local Services 20005-4018 WASHINGTON DC CLEC -
(240) 396- Washington Comcast Phone Of Northern Maryland 20005-4018 CLEC 06/30/2005
(240) 396- Washington Nextel Communications 20005-4018 WIRELESS 11/17/2005
(240) 397- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 03/12/2009
(240) 397- FREDERICK Us Lec Of Maryland 21701 FREDERICK CLEC 10/23/2009
(240) 397- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 04/05/2010
(240) 397- FREDERICK Bandwidth.Com Clec 21701 CLEC 05/28/2010
(240) 397- FREDERICK Bandwidth.Com Clec 21701 CLEC 01/26/2010
(240) 398- Silver Spring Nextel Communications 20904-7822 WIRELESS 07/03/2002
(240) 398- Silver Spring Nextel Communications 20904-7822 WIRELESS 09/17/2003
(240) 398- Silver Spring Level 3 Communications 20904-7822 CLEC 03/08/2005
(240) 398- Silver Spring Us Lec Of Maryland 20904-7822 MCLEAN CLEC 10/20/2004
(240) 398- Silver Spring Nextel Communications 20904-7822 WIRELESS 10/31/2002
(240) 399- Washington Xo Maryland 20008-2304 WASHINGTON CLEC -
(240) 400- Beltsville Cellco Partnership Dba Verizon Wireless 20705-1238 WIRELESS 09/02/2011
(240) 400- Beltsville Sprint Spectrum 20705-1238 PCS 10/25/2011
(240) 400- Beltsville Sprint Spectrum 20705-1238 PCS 10/25/2011
(240) 400- Beltsville Sprint Spectrum 20705-1238 PCS 08/22/2011
(240) 400- Beltsville Sprint Spectrum 20705-1238 PCS 08/22/2011
(240) 401- New Cingular Wireless Pcs WIRELESS -
(240) 402- RESTON Mci Worldcom Communications 22091 RESTON CLEC 09/23/2010
(240) 402- RESTON Mci Worldcom Communications 22091 RESTON CLEC 09/23/2010
(240) 402- RESTON Mci Worldcom Communications 22091 RESTON CLEC 09/23/2010
(240) 402- RESTON Mci Worldcom Communications 22091 RESTON CLEC 09/23/2010
(240) 402- RESTON Mci Worldcom Communications 22091 RESTON CLEC 09/23/2010
(240) 403- HERNDON Cavalier Telephone Mid Atlantic 22070 CLEC -
(240) 404- Washington Xo Maryland 20008-2304 WASHINGTON CLEC 02/13/2001
(240) 404- Washington Verizon Maryland 20008-2304 GAITHERSBURG RBOC 05/29/2002
(240) 404- Washington Verizon Maryland 20008-2304 GAITHERSBURG RBOC 05/29/2002
(240) 404- Washington Xo Maryland 20008-2304 WASHINGTON CLEC 07/20/2005
(240) 404- Washington New Cingular Wireless Pcs 20008-2304 WIRELESS 05/27/2008
(240) 405- Frederick Nextel Communications 21701-5672 WIRELESS 03/23/2005
(240) 405- Frederick Cellco Partnership Dba Verizon Wireless 21701-5672 WIRELESS 08/02/2005
(240) 405- Frederick Cellco Partnership Dba Verizon Wireless 21701-5672 WIRELESS 07/07/2005
(240) 405- Frederick Cellco Partnership Dba Verizon Wireless 21701-5672 WIRELESS 11/03/2005
(240) 405- Frederick Cellco Partnership Dba Verizon Wireless 21701-5672 WIRELESS 11/03/2005
(240) 406- Leap Wireless Intl, Dba Cricket Comm PCS 09/17/2009
(240) 406- Broadview Networks UNKNOWN 07/14/2010
(240) 406- Omnipoint Communications Cap Operations BELTSVILLE PCS 08/06/2010
(240) 406- Bandwidth.Com Clec CLEC 09/28/2010
(240) 406- Bandwidth.Com Clec CLEC 05/28/2010
(240) 406- Bandwidth.Com Clec CLEC 12/29/2010
(240) 407- Washington Rnk 20005-4018 CLEC 03/25/2011
(240) 408- Leap Wireless Intl, Dba Cricket Comm PCS 10/16/2009
(240) 408- Omnipoint Communications Cap Operations BELTSVILLE PCS 11/05/2010
(240) 408- Rnk CLEC 07/21/2010
(240) 408- Omnipoint Communications Cap Operations BELTSVILLE PCS 11/05/2010
(240) 408- Xo Maryland CLEC 03/03/2011
(240) 409- New Cingular Wireless Pcs WIRELESS -
(240) 411- UNKNOWN -
(240) 412- Washington Comcast Phone Of Northern Maryland 20036-4957 CLEC 01/10/2007
(240) 412- Washington Rnk 20036-4957 CLEC 08/17/2007
(240) 412- Washington Sprint Spectrum 20036-4957 PCS 06/26/2007
(240) 412- Washington Sprint Spectrum 20036-4957 PCS 02/07/2008
(240) 412- Washington Sprint Spectrum 20036-4957 PCS 03/29/2004
(240) 413- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 07/18/2005
(240) 413- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 07/26/2006
(240) 413- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 01/10/2007
(240) 415- Ymax Communications Corp CLEC 12/16/2008
(240) 415- Ymax Communications Corp CLEC 12/18/2008
(240) 415- Ymax Communications Corp CLEC 12/18/2008
(240) 415- Fibernet CLEC 12/08/2010
(240) 415- Us Lec Of Maryland FREDERICK CLEC 02/15/2011
(240) 415- Bandwidth.Com Clec CLEC 05/03/2011
(240) 416- Cellco Partnership Dba Verizon Wireless WIRELESS 06/15/2011
(240) 417- Silver Spring Nextel Communications 20904-7822 WIRELESS -
(240) 419- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 10/29/2007
(240) 419- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 02/05/2008
(240) 419- Washington Comcast Phone Of Northern Maryland 20024-3206 CLEC 04/18/2008
(240) 419- Washington Cbeyond Comm 20024-3206 CLEC 05/21/2008
(240) 419- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 11/05/2008
(240) 419- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 08/04/2008
(240) 421- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 04/09/2001
(240) 421- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 08/17/2005
(240) 421- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 11/17/2005
(240) 422- Frederick Omnipoint Communications Cap Operations 21701-5672 FREDERICK PCS 05/15/2002
(240) 422- Frederick Omnipoint Communications Cap Operations 21701-5672 FREDERICK PCS 06/05/2003
(240) 422- Frederick Omnipoint Communications Cap Operations 21701-5672 FREDERICK PCS 01/29/2004
(240) 422- Frederick Omnipoint Communications Cap Operations 21701-5672 FREDERICK PCS 01/21/2005
(240) 423- Omnipoint Communications Cap Operations PCS 05/21/2001
(240) 424- Beltsville Bandwidth.Com Clec 20705-1238 CLEC 01/20/2010
(240) 424- Beltsville Sprint Spectrum 20705-1238 PCS 11/21/2007
(240) 424- Beltsville Sprint Spectrum 20705-1238 PCS 11/21/2007
(240) 424- Beltsville Sprint Spectrum 20705-1238 PCS 11/21/2007
(240) 424- Beltsville Sprint Spectrum 20705-1238 PCS 11/21/2007
(240) 425- Vienna Dslnet Communications Va 22182-2220 CLEC 01/25/2001
(240) 425- Vienna Omnipoint Communications Cap Operations 22182-2220 PCS 03/02/2005
(240) 426- Beltsville Sprint Spectrum 20705-1238 PCS 10/25/2001
(240) 427- Washington Us Lec Of Maryland 20008-2304 MCLEAN CLEC 04/04/2002
(240) 427- Washington Xo Maryland 20008-2304 WASHINGTON CLEC 04/27/2005
(240) 427- Washington Bandwidth.Com Clec 20008-2304 CLEC 10/25/2010
(240) 427- Washington Cellco Partnership Dba Verizon Wireless 20008-2304 WIRELESS 02/06/2006
(240) 428- Bandwidth.Com Clec CLEC -
(240) 428- Comcast Phone Of Northern Maryland CLEC 01/14/2011
(240) 428- Bandwidth.Com Clec CLEC 09/13/2012
(240) 428- Xo Maryland CLEC 10/25/2012
(240) 428- Bandwidth.Com Clec CLEC 09/21/2012
(240) 428- Cellco Partnership Dba Verizon Wireless WIRELESS 10/04/2012
(240) 429- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 12/20/2006
(240) 429- Adelphi Omnipoint Communications Cap Operations 20783-1633 PCS 02/22/2007
(240) 429- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 03/06/2007
(240) 429- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 04/04/2007
(240) 429- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 04/04/2007
(240) 430- HERNDON Cavalier Telephone Mid Atlantic 22070 CLEC -
(240) 431- Washington Sprint Spectrum 20036-4957 PCS 07/07/2010
(240) 431- Washington Sprint Spectrum 20036-4957 PCS 04/22/2011
(240) 431- Washington Sprint Spectrum 20036-4957 PCS 03/24/2011
(240) 431- Washington Sprint Spectrum 20036-4957 PCS 02/14/2005
(240) 433- HERNDON Cavalier Telephone Mid Atlantic 22070 CLEC -
(240) 434- WASHINGTON Broadwing Communications 20200 WASHINGTON DC CLEC -
(240) 434- WASHINGTON Cellco Partnership Dba Verizon Wireless 20200 WIRELESS 10/08/2004
(240) 434- WASHINGTON Cellco Partnership Dba Verizon Wireless 20200 WIRELESS 12/05/2005
(240) 434- WASHINGTON Cellco Partnership Dba Verizon Wireless 20200 WIRELESS 07/11/2005
(240) 434- WASHINGTON Cellco Partnership Dba Verizon Wireless 20200 WIRELESS 07/06/2006
(240) 435- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 05/11/2009
(240) 435- Washington Bandwidth.Com Clec 20024-3206 CLEC 06/07/2011
(240) 435- Washington Bandwidth.Com Clec 20024-3206 CLEC 05/28/2010
(240) 435- Washington Sprint Spectrum 20024-3206 PCS 07/06/2010
(240) 435- Washington Leap Wireless Intl, Dba Cricket Comm 20024-3206 WASHINGTON PCS 07/29/2010
(240) 436- Ijamsville Telcove Operations 21754-9430 CLEC -
(240) 436- Ijamsville Level 3 Communications 21754-9430 CLEC 07/25/2006
(240) 436- Ijamsville Us Lec Of Maryland 21754-9430 FREDERICK CLEC 02/15/2011
(240) 437- Washington Omnipoint Communications Cap Operations 20008-2304 BELTSVILLE PCS 11/04/2010
(240) 437- Washington Bandwidth.Com Clec 20008-2304 CLEC 06/07/2011
(240) 437- Washington Omnipoint Communications Cap Operations 20008-2304 BELTSVILLE PCS 07/05/2011
(240) 438- Beltsville Sprint Spectrum 20705-1238 PCS 08/15/2011
(240) 438- Beltsville Sprint Spectrum 20705-1238 PCS 08/15/2011
(240) 438- Beltsville Sprint Spectrum 20705-1238 PCS 08/15/2011
(240) 438- Beltsville Sprint Spectrum 20705-1238 PCS 08/15/2011
(240) 438- Beltsville Sprint Spectrum 20705-1238 PCS 08/15/2011
(240) 438- Beltsville Sprint Spectrum 20705-1238 PCS 08/15/2011
(240) 439- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 06/09/2008
(240) 439- FREDERICK Verizon Maryland 21701 FREDERICK RBOC 08/15/2008
(240) 439- FREDERICK Comcast Phone Of Northern Maryland 21701 FREDERICK CLEC 06/04/2010
(240) 439- FREDERICK Level 3 Communications 21701 CLEC 04/15/2010
(240) 439- FREDERICK Level 3 Communications 21701 CLEC 08/03/2009
(240) 440- Leap Wireless Intl, Dba Cricket Comm PCS 02/27/2009
(240) 440- Leap Wireless Intl, Dba Cricket Comm PCS 03/04/2009
(240) 440- Leap Wireless Intl, Dba Cricket Comm PCS 06/11/2010
(240) 440- Sprint Spectrum PCS 09/29/2011
(240) 440- Sprint Spectrum PCS 03/07/2011
(240) 440- Sprint Spectrum PCS 03/07/2011
(240) 442- THAYERVILLE Verizon Maryland 21550 OAKLAND RBOC 05/22/2001
(240) 442- THAYERVILLE Bandwidth.Com Clec 21550 CLEC 05/28/2010
(240) 442- THAYERVILLE Nextel Communications 21550 WIRELESS 05/02/2005
(240) 442- THAYERVILLE Ymax Communications Corp 21550 CLEC 03/04/2009
(240) 443- UNKNOWN -
(240) 444- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 09/09/2011
(240) 444- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 09/29/2011
(240) 444- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 09/29/2011
(240) 444- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 10/19/2011
(240) 444- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 06/05/2012
(240) 445- Beltsville Sprint Spectrum 20705-1238 PCS 11/10/2011
(240) 445- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 445- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 445- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 445- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 445- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 446- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 03/04/2003
(240) 446- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 05/06/2003
(240) 448- Washington Sprint Spectrum 20024-3206 PCS 09/07/2011
(240) 448- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 06/06/2012
(240) 448- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 06/06/2012
(240) 448- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 06/06/2012
(240) 448- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 06/06/2012
(240) 448- Washington Sprint Spectrum 20024-3206 PCS 10/24/2011
(240) 449- New Cingular Wireless Pcs WIRELESS 11/12/2003
(240) 449- New Cingular Wireless Pcs WIRELESS 04/02/2003
(240) 449- Bandwidth.Com Clec CLEC 04/08/2011
(240) 449- New Cingular Wireless Pcs WIRELESS 03/14/2005
(240) 449- Level 3 Communications CLEC 04/11/2006
(240) 450- HERNDON Level 3 Communications 22070 CLEC 03/08/2005
(240) 452- Bandwidth.Com Clec CLEC 05/03/2011
(240) 452- Sprint Spectrum PCS 04/18/2011
(240) 452- Level 3 Communications CLEC 12/14/2010
(240) 452- Sprint Spectrum PCS 04/18/2011
(240) 452- Sprint Spectrum PCS 04/18/2011
(240) 453- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC -
(240) 454- Chevy Chase Neutral Tandem Washington, Dc. 20815-5205 CLEC 11/05/2008
(240) 454- Chevy Chase Cellco Partnership Dba Verizon Wireless 20815-5205 WIRELESS 01/04/2011
(240) 454- Chevy Chase Cellco Partnership Dba Verizon Wireless 20815-5205 WIRELESS 03/03/2011
(240) 454- Chevy Chase Paetec Communications 20815-5205 MONTGOMERY CLEC 11/22/2006
(240) 454- Chevy Chase Xo Maryland 20815-5205 WASHINGTON CLEC 07/17/2006
(240) 455- Sterling Paetec Communications 20166-4310 STERLING CLEC 06/20/2001
(240) 455- Sterling Level 3 Communications 20166-4310 CLEC 12/27/2004
(240) 455- Sterling Level 3 Communications 20166-4310 CLEC 12/27/2004
(240) 455- Sterling Comcast Phone Of Northern Maryland 20166-4310 CLEC 06/11/2007
(240) 456- Laurel Verizon Maryland 20707-4315 LAUREL RBOC -
(240) 457- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 09/04/2008
(240) 457- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 06/03/2010
(240) 457- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 06/15/2011
(240) 457- FREDERICK Sprint Spectrum 21701 PCS 09/29/2011
(240) 457- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 08/05/2009
(240) 457- FREDERICK Bandwidth.Com Clec 21701 CLEC 01/09/2009
(240) 458- Washington Sprint Spectrum 20024-3206 PCS 10/24/2011
(240) 458- Washington Sprint Spectrum 20024-3206 PCS 10/24/2011
(240) 458- Washington Sprint Spectrum 20024-3206 PCS 10/24/2011
(240) 458- Washington Sprint Spectrum 20024-3206 PCS 10/24/2011
(240) 458- Washington Sprint Spectrum 20024-3206 PCS 10/24/2011
(240) 459- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 07/28/2010
(240) 459- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 06/24/2011
(240) 459- Annapolis Junction Leap Wireless Intl, Dba Cricket Comm 20701-1104 PCS 04/08/2011
(240) 459- Annapolis Junction Xo Maryland 20701-1104 CLEC 03/22/2011
(240) 459- Annapolis Junction Bandwidth.Com Clec 20701-1104 CLEC 06/07/2011
(240) 460- New Cingular Wireless Pcs WIRELESS -
(240) 462- Beltsville Sprint Spectrum 20705-1238 PCS -
(240) 464- Silver Spring Nextel Communications 20904-7822 WIRELESS -
(240) 464- Silver Spring Nextel Communications 20904-7822 WIRELESS 09/17/2003
(240) 464- Silver Spring Nextel Communications 20904-7822 WIRELESS 09/17/2003
(240) 464- Silver Spring Omnipoint Communications Cap Operations 20904-7822 PCS 08/26/2005
(240) 464- Silver Spring Nextel Communications 20904-7822 WIRELESS 12/05/2003
(240) 464- Silver Spring Nextel Communications 20904-7822 WIRELESS 08/02/2006
(240) 466- Reston Global Naps South 20191-3474 CLEC 07/10/2001
(240) 466- Reston Rnk 20191-3474 CLEC 09/24/2007
(240) 466- Reston Bandwidth.Com Clec 20191-3474 CLEC 01/26/2010
(240) 468- Beltsville Sprint Spectrum 20705-1238 PCS 11/16/2007
(240) 468- Beltsville Sprint Spectrum 20705-1238 PCS 11/21/2007
(240) 468- Beltsville Sprint Spectrum 20705-1238 PCS 11/21/2007
(240) 468- Beltsville Sprint Spectrum 20705-1238 PCS 11/21/2007
(240) 468- Beltsville Bandwidth.Com Clec 20705-1238 CLEC 05/27/2010
(240) 468- Beltsville Sprint Spectrum 20705-1238 PCS 11/21/2007
(240) 469- Hagerstown Omnipoint Communications Cap Operations 21740-6835 FREDERICK PCS 06/17/2008
(240) 469- Hagerstown Telcove Operations 21740-6835 CLEC 04/01/2008
(240) 469- Hagerstown Sprint Communications Company 21740-6835 CLEC 09/12/2008
(240) 469- Hagerstown Verizon Maryland 21740-6835 HAGERSTOWN RBOC 12/09/2009
(240) 469- Hagerstown Sprint Spectrum 21740-6835 PCS 02/14/2008
(240) 470- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 10/04/2011
(240) 470- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 08/06/2012
(240) 470- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 08/06/2012
(240) 470- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 08/06/2012
(240) 470- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 08/06/2012
(240) 470- Annapolis Junction Omnipoint Communications Cap Operations 20701-1104 PCS 11/09/2011
(240) 471- Washington Paetec Communications 20005-4018 MONTGOMERY CLEC 02/02/2005
(240) 473- HERNDON Cavalier Telephone Mid Atlantic 22070 CLEC -
(240) 473- HERNDON Bandwidth.Com Clec 22070 CLEC 05/28/2010
(240) 476- Omnipoint Communications Cap Operations PCS 02/21/2001
(240) 477- New Cingular Wireless Pcs WIRELESS 05/27/2008
(240) 477- New Cingular Wireless Pcs WIRELESS 03/22/2006
(240) 477- Comcast Phone Of Northern Maryland CLEC 05/10/2006
(240) 477- Comcast Phone Of Northern Maryland CLEC 07/21/2006
(240) 477- Comcast Phone Of Northern Maryland CLEC 07/21/2006
(240) 478- New Cingular Wireless Pcs WIRELESS 07/27/2004
(240) 478- New Cingular Wireless Pcs WIRELESS 08/25/2004
(240) 478- New Cingular Wireless Pcs WIRELESS 08/25/2004
(240) 478- Omnipoint Communications Cap Operations PCS 11/23/2005
(240) 478- Cellco Partnership Dba Verizon Wireless WIRELESS 02/06/2006
(240) 478- Cellco Partnership Dba Verizon Wireless WIRELESS 01/05/2006
(240) 479- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 04/10/2008
(240) 479- Annapolis Junction Paetec Communications 20701-1104 MONTGOMERY CLEC 09/15/2008
(240) 479- Annapolis Junction Bandwidth.Com Clec 20701-1104 CLEC 01/26/2010
(240) 479- Annapolis Junction Sprint Spectrum 20701-1104 PCS 11/17/2008
(240) 479- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 05/05/2010
(240) 480- Beltsville Sprint Spectrum 20705-1238 PCS 09/27/2010
(240) 480- Beltsville Sprint Spectrum 20705-1238 PCS 09/29/2010
(240) 480- Beltsville Sprint Spectrum 20705-1238 PCS 09/29/2010
(240) 480- Beltsville Sprint Spectrum 20705-1238 PCS 09/29/2010
(240) 480- Beltsville Sprint Spectrum 20705-1238 PCS 09/29/2010
(240) 480- Beltsville Sprint Spectrum 20705-1238 PCS 09/29/2010
(240) 481- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 11/25/2002
(240) 482- Mc Lean Us Lec Of Maryland 22102-3338 MCLEAN CLEC -
(240) 482- Mc Lean Sprint Spectrum 22102-3338 PCS 06/28/2005
(240) 482- Mc Lean Level 3 Communications 22102-3338 CLEC 12/01/2004
(240) 483- Comcast Phone Of Northern Maryland CLEC -
(240) 483- Sprint Spectrum PCS 01/23/2004
(240) 483- Level 3 Communications CLEC 12/23/2002
(240) 483- Sprint Spectrum PCS 10/30/2003
(240) 483- Sprint Spectrum PCS 09/05/2003
(240) 485- Mc Lean Us Lec Of Maryland 22102-3338 MCLEAN CLEC -
(240) 485- Mc Lean New Cingular Wireless Pcs 22102-3338 WIRELESS 10/15/2003
(240) 485- Mc Lean New Cingular Wireless Pcs 22102-3338 WIRELESS 01/15/2004
(240) 486- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 11/19/2007
(240) 486- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 05/19/2008
(240) 486- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 11/05/2007
(240) 487- Mc Lean Vdl, Dba Global Telecom Brokers 22102-3338 CLEC 02/24/2004
(240) 487- Mc Lean Lightwave Communications 22102-3338 CLEC 06/08/2005
(240) 487- Mc Lean Bandwidth.Com Clec 22102-3338 CLEC 11/17/2008
(240) 488- Shentel Communications Company UNKNOWN 05/18/2012
(240) 489- Bandwidth.Com Clec CLEC 01/31/2011
(240) 489- Comcast Phone Of Northern Maryland CLEC 06/30/2005
(240) 489- Xo Maryland WASHINGTON CLEC 07/20/2005
(240) 489- Xo Maryland WASHINGTON CLEC 07/20/2005
(240) 490- Frederick Omnipoint Communications Cap Operations 21701-5672 FREDERICK PCS 06/12/2001
(240) 490- Frederick Mci Worldcom Communications 21701-5672 BUCKEYSTN CLEC 10/15/2009
(240) 490- Frederick Comcast Phone Of Northern Maryland 21701-5672 CLEC 04/05/2012
(240) 491- Washington Global Crossing Local Services 20005-4018 WASHINGTON DC CLEC -
(240) 491- Washington Omnipoint Communications Cap Operations 20005-4018 PCS 11/05/2004
(240) 491- Washington Omnipoint Communications Cap Operations 20005-4018 PCS 01/21/2005
(240) 492- Mc Lean Us Lec Of Maryland 22102-3338 MCLEAN CLEC -
(240) 492- Mc Lean Bandwidth.Com Clec 22102-3338 CLEC 03/30/2012
(240) 492- Mc Lean Omnipoint Communications Cap Operations 22102-3338 BELTSVILLE PCS 08/14/2008
(240) 493- Mc Lean Comcast Phone Of Northern Maryland 22102-3338 CLEC 09/10/2007
(240) 493- Mc Lean Comcast Phone Of Northern Maryland 22102-3338 CLEC 11/29/2006
(240) 494- Washington Cavalier East 20005-4083 CLEC 05/09/2001
(240) 497- Chevy Chase Verizon Maryland 20815-5205 WASZ 2 RBOC -
(240) 499- Mc Lean Us Lec Of Maryland 22102-3338 MCLEAN CLEC -
(240) 499- Mc Lean Cellco Partnership Dba Verizon Wireless 22102-3338 WIRELESS 05/04/2005
(240) 499- Mc Lean Comcast Phone Of Northern Maryland 22102-3338 CLEC 09/12/2006
(240) 500- Cellco Partnership Dba Verizon Wireless WIRELESS 08/11/2011
(240) 500- Us Lec Of Maryland FREDERICK CLEC 06/13/2011
(240) 500- New Cingular Wireless Pcs WIRELESS 09/28/2011
(240) 500- New Cingular Wireless Pcs WIRELESS 09/28/2011
(240) 500- Sprint Spectrum PCS 08/23/2011
(240) 501- Beltsville Sprint Spectrum 20705-1238 PCS 10/08/2001
(240) 502- Beltsville Sprint Spectrum 20705-1238 PCS 10/05/2011
(240) 502- Beltsville Sprint Spectrum 20705-1238 PCS 10/05/2011
(240) 502- Beltsville Sprint Spectrum 20705-1238 PCS 10/05/2011
(240) 502- Beltsville Sprint Spectrum 20705-1238 PCS 10/05/2011
(240) 502- Beltsville Sprint Spectrum 20705-1238 PCS 10/05/2011
(240) 504- Beltsville Sprint Spectrum 20705-1238 PCS 10/04/2011
(240) 504- Beltsville Sprint Spectrum 20705-1238 PCS 10/05/2011
(240) 504- Beltsville Sprint Spectrum 20705-1238 PCS 10/05/2011
(240) 504- Beltsville Sprint Spectrum 20705-1238 PCS 10/05/2011
(240) 504- Beltsville Sprint Spectrum 20705-1238 PCS 10/05/2011
(240) 504- Beltsville Sprint Spectrum 20705-1238 PCS 10/05/2011
(240) 506- New Cingular Wireless Pcs WIRELESS 01/09/2002
(240) 506- New Cingular Wireless Pcs WIRELESS 01/13/2003
(240) 507- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 09/05/2008
(240) 507- Annapolis Junction Us Lec Of Maryland 20701-1104 MCLEAN CLEC 12/01/2008
(240) 507- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 01/04/2011
(240) 507- Annapolis Junction Bandwidth.Com Clec 20701-1104 CLEC 05/28/2010
(240) 507- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 12/09/2008
(240) 507- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 04/04/2011
(240) 509- Bandwidth.Com Clec CLEC 03/31/2008
(240) 509- Bandwidth.Com Clec CLEC 12/03/2009
(240) 510- Xo Maryland WASHINGTON CLEC 02/26/2007
(240) 510- Comcast Phone Of Northern Maryland CLEC 12/17/2012
(240) 511- UNKNOWN -
(240) 512- Baltimore Mcimetro Access Transmission Services 21202-3507 ROCKVILLE CLEC 11/09/2007
(240) 512- Baltimore Bandwidth.Com Clec 21202-3507 CLEC 06/18/2012
(240) 513- Hagerstown Sprint Spectrum 21740-6835 PCS 10/19/2011
(240) 514- Mc Lean Us Lec Of Maryland 22102-3338 MCLEAN CLEC -
(240) 514- Mc Lean Bandwidth.Com Clec 22102-3338 CLEC 04/08/2011
(240) 515- New Cingular Wireless Pcs WIRELESS 06/20/2001
(240) 515- New Cingular Wireless Pcs WIRELESS 03/14/2005
(240) 515- Nextel Communications WIRELESS 11/01/2004
(240) 515- New Cingular Wireless Pcs WIRELESS 03/14/2005
(240) 515- New Cingular Wireless Pcs WIRELESS 03/14/2005
(240) 515- Nextel Communications WIRELESS 01/24/2006
(240) 516- Mc Lean Xo Maryland 22102-3338 WASHINGTON CLEC 03/08/2007
(240) 518- Washington Sprint Spectrum 20036-4957 PCS 10/21/2011
(240) 518- Washington Sprint Spectrum 20036-4957 PCS 10/24/2011
(240) 518- Washington Sprint Spectrum 20036-4957 PCS 10/24/2011
(240) 518- Washington Sprint Spectrum 20036-4957 PCS 10/24/2011
(240) 518- Washington Sprint Spectrum 20036-4957 PCS 10/24/2011
(240) 519- Beltsville Sprint Spectrum 20705-1238 PCS 11/10/2011
(240) 519- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 519- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 519- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 519- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 519- Beltsville Sprint Spectrum 20705-1238 PCS 11/14/2011
(240) 520- Hagerstown New Cingular Wireless Pcs 21740-6835 WIRELESS 08/15/2006
(240) 520- Hagerstown New Cingular Wireless Pcs 21740-6835 WIRELESS 01/08/2007
(240) 520- Hagerstown Sprint Spectrum 21740-6835 PCS 11/29/2007
(240) 520- Hagerstown Sprint Spectrum 21740-6835 PCS 10/25/2006
(240) 520- Hagerstown Sprint Spectrum 21740-6835 PCS 04/05/2006
(240) 522- Cumberland Sprint Spectrum 21502-3018 PCS 12/12/2001
(240) 522- Cumberland Sprint Spectrum 21502-3018 PCS 10/02/2006
(240) 522- Cumberland New Cingular Wireless Pcs 21502-3018 WIRELESS 09/13/2007
(240) 522- Cumberland New Cingular Wireless Pcs 21502-3018 WIRELESS 03/21/2008
(240) 522- Cumberland New Cingular Wireless Pcs 21502-3018 WIRELESS 11/05/2008
(240) 523- Xo Maryland WASHINGTON CLEC 02/13/2001
(240) 523- Level 3 Communications CLEC 06/20/2005
(240) 523- Level 3 Communications CLEC 02/10/2004
(240) 523- Xo Maryland WASHINGTON CLEC 07/20/2005
(240) 523- Xo Maryland WASHINGTON CLEC 07/20/2005
(240) 525- Reston Global Naps South 20191-3474 CLEC -
(240) 527- Hagerstown Verizon Maryland 21740-5403 HAGERSTOWN RBOC -
(240) 527- Hagerstown New Cingular Wireless Pcs 21740-5403 WIRELESS 03/17/2006
(240) 527- Hagerstown New Cingular Wireless Pcs 21740-5403 WIRELESS 03/16/2006
(240) 527- Hagerstown Sprint Spectrum 21740-5403 HAGERSTOWN PCS 06/23/2004
(240) 527- Hagerstown Sprint Spectrum 21740-5403 PCS 01/06/2004
(240) 528- WASHINGTON Omnipoint Communications Cap Operations 20200 PCS 01/18/2006
(240) 528- WASHINGTON Rnk 20200 CLEC 09/24/2007
(240) 528- WASHINGTON Paetec Communications 20200 CLEC 11/16/2010
(240) 528- WASHINGTON Bandwidth.Com Clec 20200 CLEC 03/07/2011
(240) 529- Frederick New Cingular Wireless Pcs 21701-5672 WIRELESS 12/13/2004
(240) 529- Frederick New Cingular Wireless Pcs 21701-5672 WIRELESS 05/17/2005
(240) 529- Frederick New Cingular Wireless Pcs 21701-5672 WIRELESS 12/07/2005
(240) 529- Frederick New Cingular Wireless Pcs 21701-5672 WIRELESS 01/10/2006
(240) 533- Washington Teleport Communications Group 20005-3903 WASHINGTON CLEC -
(240) 533- Washington Nextel Communications 20005-3903 WIRELESS 04/27/2004
(240) 533- Washington Sprint Spectrum 20005-3903 PCS 08/09/2011
(240) 533- Washington Omnipoint Communications Cap Operations 20005-3903 PCS 06/10/2005
(240) 533- Washington Nextel Communications 20005-3903 WIRELESS 10/13/2004
(240) 536- Reston Global Naps South 20191-3474 CLEC -
(240) 538- Washington Cellco Partnership Dba Verizon Wireless 20008-2304 WIRELESS 07/02/2003
(240) 538- Washington Cellco Partnership Dba Verizon Wireless 20008-2304 WIRELESS 10/03/2003
(240) 538- Washington Cellco Partnership Dba Verizon Wireless 20008-2304 WIRELESS 02/03/2004
(240) 538- Washington Cellco Partnership Dba Verizon Wireless 20008-2304 WIRELESS 03/01/2004
(240) 539- Reston Global Naps South 20191-3474 CLEC -
(240) 541- Beltsville Sprint Spectrum 20705-1238 PCS 11/02/2011
(240) 541- Beltsville Sprint Spectrum 20705-1238 PCS 11/02/2011
(240) 541- Beltsville Mci Worldcom Communications 20705-1238 RESTON CLEC 08/30/2012
(240) 541- Beltsville Teleport Communications Group 20705-1238 CLEC 09/24/2012
(240) 541- Beltsville Teleport Communications Group 20705-1238 CLEC 09/24/2012
(240) 542- Mc Lean Us Lec Of Maryland 22102-3338 MCLEAN CLEC -
(240) 542- Mc Lean Rnk 22102-3338 CLEC 07/21/2010
(240) 542- Mc Lean Bandwidth.Com Clec 22102-3338 CLEC 10/25/2010
(240) 543- Beltsville Sprint Spectrum 20705-1238 PCS 07/25/2006
(240) 543- Beltsville Omnipoint Communications Cap Operations 20705-1238 PCS 11/09/2006
(240) 543- Beltsville Sprint Spectrum 20705-1238 PCS 10/02/2006
(240) 543- Beltsville Sprint Spectrum 20705-1238 PCS 10/02/2006
(240) 543- Beltsville Sprint Spectrum 20705-1238 PCS 10/02/2006
(240) 543- Beltsville Sprint Spectrum 20705-1238 PCS 07/27/2006
(240) 544- Mc Lean Vdl, Dba Global Telecom Brokers 22102-3338 CLEC 02/24/2004
(240) 545- Mc Lean Rnk 22102-3338 CLEC 09/24/2007
(240) 545- Mc Lean Rnk 22102-3338 CLEC 07/21/2010
(240) 547- Level 3 Communications CLEC -
(240) 547- Level 3 Communications CLEC 06/20/2005
(240) 547- Level 3 Communications CLEC 06/20/2005
(240) 547- Omnipoint Communications Cap Operations PCS 07/21/2008
(240) 547- Bandwidth.Com Clec CLEC 11/17/2008
(240) 550- Leap Wireless Intl, Dba Cricket Comm PCS 03/26/2009
(240) 550- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 550- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 550- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 550- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 550- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 551- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 551- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 551- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 551- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 551- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 552- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 552- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 552- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 552- Bandwidth.Com Clec CLEC 04/08/2011
(240) 552- Bandwidth.Com Clec CLEC 04/08/2011
(240) 553- WASHINGTON Rnk 20200 CLEC 03/24/2011
(240) 554- WASHINGTON Bandwidth.Com Clec 20200 CLEC 05/28/2010
(240) 554- WASHINGTON Leap Wireless Intl, Dba Cricket Comm 20200 PCS 04/29/2010
(240) 556- Chevy Chase Paetec Communications 20815-5205 MONTGOMERY CLEC -
(240) 556- Chevy Chase Level 3 Communications 20815-5205 CLEC 10/17/2012
(240) 558- HERNDON Cbeyond Comm 22070 CLEC 05/21/2008
(240) 558- HERNDON Comcast Phone Of Northern Maryland 22070 CLEC 04/18/2008
(240) 558- HERNDON Rnk 22070 CLEC 07/21/2010
(240) 559- WASHINGTON Allegiance Telecom 20200 SOUTH MARYLAND CLEC -
(240) 559- WASHINGTON Omnipoint Communications Cap Operations 20200 BELTSVILLE PCS 06/21/2012
(240) 560- Washington Level 3 Communications 20008-2304 CLEC 02/05/2008
(240) 560- Washington Comcast Phone Of Northern Maryland 20008-2304 CLEC 02/14/2012
(240) 560- Washington Bandwidth.Com Clec 20008-2304 CLEC 10/25/2010
(240) 561- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 07/10/2008
(240) 561- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 09/03/2008
(240) 561- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 01/05/2009
(240) 561- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 03/04/2009
(240) 561- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 09/03/2009
(240) 565- Baltimore Omnipoint Communications Cap Operations 21202-2103 BALTIMORE PCS 12/30/2005
(240) 565- Baltimore Cellco Partnership Dba Verizon Wireless 21202-2103 WIRELESS 10/24/2007
(240) 565- Baltimore Cellco Partnership Dba Verizon Wireless 21202-2103 WIRELESS 09/05/2006
(240) 565- Baltimore Cellco Partnership Dba Verizon Wireless 21202-2103 WIRELESS 03/06/2006
(240) 565- Baltimore Omnipoint Communications Cap Operations 21202-2103 BALTIMORE PCS 01/04/2006
(240) 565- Baltimore Omnipoint Communications Cap Operations 21202-2103 BALTIMORE PCS 01/04/2006
(240) 566- Frederick Verizon Maryland 21701-5672 FREDERICK RBOC 06/12/2002
(240) 566- Frederick New Cingular Wireless Pcs 21701-5672 WIRELESS 08/15/2006
(240) 566- Frederick Telcove Operations 21701-5672 FREDERICK CLEC 08/27/2002
(240) 566- Frederick Cellco Partnership Dba Verizon Wireless 21701-5672 WIRELESS 05/06/2008
(240) 566- Frederick Nextel Communications 21701-5672 WIRELESS 05/04/2006
(240) 567- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 07/12/2006
(240) 567- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 07/13/2006
(240) 567- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 07/13/2006
(240) 567- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 07/13/2006
(240) 567- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 07/13/2006
(240) 567- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 07/13/2006
(240) 571- UNKNOWN -
(240) 573- Washington Rnk 20005-4018 CLEC 03/07/2012
(240) 573- Washington Level 3 Communications 20005-4018 CLEC 05/16/2012
(240) 575- Frederick Level 3 Communications 21701-5672 CLEC 12/30/2005
(240) 575- Frederick Level 3 Communications 21701-5672 CLEC 06/21/2007
(240) 575- Frederick Level 3 Communications 21701-5672 CLEC 07/17/2007
(240) 575- Frederick Level 3 Communications 21701-5672 CLEC 01/04/2006
(240) 575- Frederick Us Lec Of Maryland 21701-5672 FREDERICK CLEC 04/02/2008
(240) 575- Frederick Comcast Phone Of Northern Maryland 21701-5672 CLEC 03/07/2008
(240) 577- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 08/16/2006
(240) 577- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 11/06/2006
(240) 577- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 04/04/2007
(240) 577- Washington Mcimetro Access Transmission Services 20024-3206 WASHINGTON CLEC 06/06/2007
(240) 577- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 07/03/2007
(240) 578- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 07/08/2011
(240) 578- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 09/02/2011
(240) 578- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 05/15/2012
(240) 578- FREDERICK Sprint Spectrum 21701 PCS 09/29/2011
(240) 578- FREDERICK Sprint Spectrum 21701 PCS 09/29/2011
(240) 580- Cumberland Level 3 Communications 21502-3018 CLEC 03/21/2005
(240) 580- Cumberland Bandwidth.Com Clec 21502-3018 CLEC 11/05/2008
(240) 580- Cumberland Nextel Communications 21502-3018 WIRELESS 02/03/2005
(240) 580- Cumberland Bandwidth.Com Clec 21502-3018 CLEC 08/05/2010
(240) 581- Washington Omnipoint Communications Cap Operations 20024-3206 PCS 11/04/2005
(240) 581- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 06/03/2008
(240) 581- Washington Us Lec Of Maryland 20024-3206 MCLEAN CLEC 06/02/2009
(240) 581- Washington Verizon Maryland 20024-3206 MUIRKIRK RBOC 06/23/2008
(240) 582- Hyattsville Verizon Maryland 20781-1618 HYATTSVILLE RBOC -
(240) 582- Hyattsville Xo Maryland 20781-1618 CLEC 03/30/2010
(240) 582- Hyattsville Comcast Phone Of Northern Maryland 20781-1618 CLEC 09/12/2012
(240) 582- Hyattsville Comcast Phone Of Northern Maryland 20781-1618 CLEC 09/08/2006
(240) 582- Hyattsville Xo Maryland 20781-1618 WASHINGTON CLEC 02/26/2007
(240) 583- Beltsville Bandwidth.Com Clec 20705-1378 CLEC 07/15/2010
(240) 583- Beltsville Verizon Maryland 20705-1378 MUIRKIRK RBOC 04/28/2010
(240) 583- Beltsville Verizon Maryland 20705-1378 MUIRKIRK RBOC 04/28/2010
(240) 583- Beltsville Verizon Maryland 20705-1378 MUIRKIRK RBOC 04/28/2010
(240) 583- Beltsville Xo Maryland 20705-1378 CLEC 08/03/2010
(240) 585- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 06/29/2011
(240) 585- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 05/04/2012
(240) 585- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 05/04/2012
(240) 586- Frederick Verizon Maryland 21701-5672 FREDERICK RBOC 12/22/2006
(240) 586- Frederick New Cingular Wireless Pcs 21701-5672 WIRELESS 11/06/2007
(240) 586- Frederick Sprint Spectrum 21701-5672 PCS 04/03/2007
(240) 586- Frederick Verizon Maryland 21701-5672 FREDERICK RBOC 12/27/2006
(240) 586- Frederick Verizon Maryland 21701-5672 FREDERICK RBOC 12/27/2006
(240) 586- Frederick Sprint Spectrum 21701-5672 PCS 04/03/2007
(240) 587- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 07/07/2009
(240) 587- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 01/04/2011
(240) 587- Washington Bandwidth.Com Clec 20024-3206 CLEC 08/04/2010
(240) 587- Washington Bandwidth.Com Clec 20024-3206 CLEC 01/26/2010
(240) 587- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 03/03/2011
(240) 593- Baltimore Omnipoint Communications Cap Operations 21202-2103 BALTIMORE PCS 06/17/2003
(240) 593- Baltimore Omnipoint Communications Cap Operations 21202-2103 BALTIMORE PCS 03/29/2004
(240) 595- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 09/18/2006
(240) 595- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 09/18/2006
(240) 595- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 12/05/2006
(240) 595- Adelphi Xo Maryland 20783-1633 WASHINGTON CLEC 01/24/2007
(240) 595- Adelphi Omnipoint Communications Cap Operations 20783-1633 PCS 03/13/2007
(240) 597- Reston Global Naps South 20191-3474 CLEC -
(240) 599- WASHINGTON Cellco Partnership Dba Verizon Wireless 20200 WIRELESS 10/04/2012
(240) 600- Beltsville Sprint Spectrum 20705-1238 PCS 04/27/2011
(240) 600- Beltsville Bandwidth.Com Clec 20705-1238 CLEC 07/29/2011
(240) 600- Beltsville Sprint Spectrum 20705-1238 PCS 04/29/2011
(240) 600- Beltsville Sprint Spectrum 20705-1238 PCS 04/29/2011
(240) 600- Beltsville Sprint Spectrum 20705-1238 PCS 04/29/2011
(240) 600- Beltsville Sprint Spectrum 20705-1238 PCS 04/29/2011
(240) 602- Beltsville Sprint Spectrum 20705-1238 PCS -
(240) 604- Beltsville Sprint Spectrum 20705-1238 PCS -
(240) 606- Beltsville Sprint Spectrum 20705-1238 PCS -
(240) 607- Washington Us Lec Of Maryland 20005-4018 MCLEAN CLEC 03/24/2006
(240) 607- Washington Xo Maryland 20005-4018 WASHINGTON CLEC 04/27/2005
(240) 607- Washington Xo Maryland 20005-4018 WASHINGTON CLEC 04/27/2005
(240) 611- UNKNOWN -
(240) 612- Laurel Tw Telecom Of Maryland 20707-6102 LAUREL CLEC 08/06/2010
(240) 612- Laurel Tw Telecom Of Maryland 20707-6102 LAUREL CLEC 08/06/2010
(240) 612- Laurel Tw Telecom Of Maryland 20707-6102 LAUREL CLEC 08/06/2010
(240) 612- Laurel Tw Telecom Of Maryland 20707-6102 LAUREL CLEC 08/06/2010
(240) 612- Laurel Tw Telecom Of Maryland 20707-6102 LAUREL CLEC 08/06/2010
(240) 613- Us Lec Of Maryland CLEC 04/05/2012
(240) 613- Us Lec Of Maryland CLEC 04/06/2012
(240) 613- Us Lec Of Maryland CLEC 04/06/2012
(240) 613- Us Lec Of Maryland CLEC 04/06/2012
(240) 613- Us Lec Of Maryland CLEC 04/06/2012
(240) 613- Us Lec Of Maryland CLEC 04/06/2012
(240) 616- RESTON Level 3 Communications 22091 CLEC 11/07/2012
(240) 618- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 08/09/2012
(240) 618- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 08/14/2012
(240) 618- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 08/14/2012
(240) 618- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 08/14/2012
(240) 618- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 08/14/2012
(240) 618- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 08/14/2012
(240) 619- RESTON Omnipoint Communications Cap Operations 22091 BELTSVILLE PCS 08/14/2008
(240) 619- RESTON Comcast Phone Of Northern Maryland 22091 CLEC 09/20/2007
(240) 619- RESTON Comcast Phone Of Northern Maryland 22091 CLEC 09/14/2006
(240) 619- RESTON Cellco Partnership Dba Verizon Wireless 22091 WIRELESS 10/03/2008
(240) 619- RESTON Bandwidth.Com Clec 22091 WASHINGTON CLEC 09/17/2010
(240) 620- RESTON Mci Worldcom Communications 22091 RESTON CLEC -
(240) 620- RESTON Cellco Partnership Dba Verizon Wireless 22091 WIRELESS 06/02/2003
(240) 620- RESTON Cellco Partnership Dba Verizon Wireless 22091 WIRELESS 10/03/2003
(240) 620- RESTON Cellco Partnership Dba Verizon Wireless 22091 WIRELESS 02/02/2004
(240) 620- RESTON Cellco Partnership Dba Verizon Wireless 22091 WIRELESS 05/07/2004
(240) 621- RESTON Mci Worldcom Communications 22091 RESTON CLEC -
(240) 621- RESTON Xo Maryland 22091 CLEC 09/28/2011
(240) 624- COLLEGE PARK Verizon Maryland 20741 WASZ 13 RBOC -
(240) 624- COLLEGE PARK Cbeyond Comm 20741 CLEC 05/21/2008
(240) 625- Frederick Nextel Communications 21702-1513 WIRELESS 05/12/2006
(240) 625- Frederick New Cingular Wireless Pcs 21702-1513 WIRELESS 06/30/2005
(240) 625- Frederick New Cingular Wireless Pcs 21702-1513 WIRELESS 10/11/2005
(240) 625- Frederick New Cingular Wireless Pcs 21702-1513 WIRELESS 01/10/2006
(240) 625- Frederick New Cingular Wireless Pcs 21702-1513 WIRELESS 02/15/2006
(240) 626- Sprint Spectrum PCS -
(240) 626- Verizon Maryland FREDERICK RBOC 11/15/2005
(240) 627- Washington Rnk 20005-4018 CLEC 08/29/2007
(240) 627- Washington Ymax Communications Corp 20005-4018 CLEC 08/01/2008
(240) 629- Frederick Comcast Phone Of Northern Maryland 21701-5672 CLEC 08/08/2008
(240) 630- Bandwidth.Com Clec CLEC 08/08/2012
(240) 630- Bandwidth.Com Clec CLEC 08/08/2012
(240) 630- Bandwidth.Com Clec CLEC 08/09/2012
(240) 631- Gaithersburg Verizon Maryland 20877-2412 GAITHERSBURG RBOC -
(240) 638- WASHINGTON Broadwing Communications 20200 WASHINGTON DC CLEC -
(240) 638- WASHINGTON Cellco Partnership Dba Verizon Wireless 20200 WIRELESS 04/06/2005
(240) 638- WASHINGTON Sprint Spectrum 20200 PCS 08/09/2011
(240) 640- Washington Leap Wireless Intl, Dba Cricket Comm 20024-3206 WASHINGTON PCS 03/27/2009
(240) 640- Washington Leap Wireless Intl, Dba Cricket Comm 20024-3206 WASHINGTON PCS 02/11/2010
(240) 640- Washington Leap Wireless Intl, Dba Cricket Comm 20024-3206 WASHINGTON PCS 04/15/2010
(240) 640- Washington Leap Wireless Intl, Dba Cricket Comm 20024-3206 WASHINGTON PCS 06/11/2010
(240) 640- Washington Leap Wireless Intl, Dba Cricket Comm 20024-3206 WASHINGTON PCS 03/27/2009
(240) 642- Chantilly Tidalwave Telephone 20151-1645 L RESELLER -
(240) 643- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 02/26/2003
(240) 643- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 03/10/2003
(240) 643- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 03/10/2003
(240) 643- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 04/15/2003
(240) 644- Washington Omnipoint Communications Cap Operations 20008-2304 PCS 05/10/2004
(240) 644- Washington Sprint Spectrum 20008-2304 PCS 06/30/2004
(240) 644- Washington Sprint Spectrum 20008-2304 PCS 06/30/2004
(240) 644- Washington Sprint Spectrum 20008-2304 PCS 03/29/2004
(240) 645- Washington Omnipoint Communications Cap Operations 20008-2304 PCS 07/15/2005
(240) 645- Washington New Cingular Wireless Pcs 20008-2304 WIRELESS 07/08/2004
(240) 645- Washington New Cingular Wireless Pcs 20008-2304 WIRELESS 07/08/2004
(240) 645- Washington Nextel Communications 20008-2304 WIRELESS 03/23/2005
(240) 646- Washington Omnipoint Communications Cap Operations 20005-4083 PCS 06/17/2008
(240) 646- Washington Leap Wireless Intl, Dba Cricket Comm 20005-4083 PCS 12/09/2009
(240) 650- Peerless Network Of Maryland UNKNOWN 08/22/2012
(240) 650- Infotelecom UNKNOWN 02/06/2012
(240) 651- Cellco Partnership Dba Verizon Wireless WIRELESS 06/05/2012
(240) 651- Cellco Partnership Dba Verizon Wireless WIRELESS 05/18/2012
(240) 651- Cellco Partnership Dba Verizon Wireless WIRELESS 05/18/2012
(240) 651- Cellco Partnership Dba Verizon Wireless WIRELESS 06/05/2012
(240) 651- Cellco Partnership Dba Verizon Wireless WIRELESS 06/05/2012
(240) 652- Xo Maryland WASHINGTON CLEC 02/13/2001
(240) 652- Xo Maryland WASHINGTON CLEC 07/20/2005
(240) 652- Xo Maryland WASHINGTON CLEC 07/20/2005
(240) 654- New Cingular Wireless Pcs WIRELESS 05/19/2006
(240) 654- Level 3 Communications CLEC 05/05/2008
(240) 654- Comcast Phone Of Northern Maryland CLEC 03/18/2008
(240) 654- Ymax Communications Corp CLEC 07/14/2009
(240) 654- New Cingular Wireless Pcs WIRELESS 07/07/2008
(240) 654- Ymax Communications Corp CLEC 07/09/2008
(240) 667- Washington Global Crossing Local Services 20005-4018 WASHINGTON DC CLEC -
(240) 667- Washington Comcast Phone Of Northern Maryland 20005-4018 CLEC 06/26/2006
(240) 667- Washington Level 3 Communications 20005-4018 CLEC 06/21/2007
(240) 668- Lanham Starpower Communications 20706-4347 CLEC -
(240) 668- Lanham Xo Maryland 20706-4347 WASHINGTON CLEC 10/25/2005
(240) 668- Lanham Bandwidth.Com Clec 20706-4347 CLEC 01/09/2009
(240) 668- Lanham Xo Maryland 20706-4347 WASHINGTON CLEC 10/25/2005
(240) 669- Comcast Phone Of Northern Maryland CLEC -
(240) 669- Level 3 Communications CLEC 01/31/2012
(240) 669- Comcast Phone Of Northern Maryland CLEC 11/16/2006
(240) 669- Comcast Phone Of Northern Maryland CLEC 11/16/2006
(240) 670- Rnk CLEC 03/06/2012
(240) 670- Allegiance Telecom CLEC 05/24/2012
(240) 670- Bandwidth.Com Clec CLEC 08/09/2012
(240) 670- Bandwidth.Com Clec CLEC 08/09/2012
(240) 670- Rnk CLEC 03/09/2012
(240) 671- Beltsville Rnk 20705-1238 CLEC 07/21/2010
(240) 671- Beltsville Sprint Spectrum 20705-1238 PCS 03/31/2005
(240) 671- Beltsville Sprint Spectrum 20705-1238 PCS 02/23/2005
(240) 671- Beltsville Sprint Spectrum 20705-1238 PCS 12/07/2004
(240) 671- Beltsville Sprint Spectrum 20705-1238 PCS 03/31/2005
(240) 672- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS -
(240) 672- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 05/07/2004
(240) 672- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 04/06/2006
(240) 672- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 01/05/2005
(240) 672- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 01/05/2005
(240) 674- Frederick Nextel Communications 21702-1513 WIRELESS -
(240) 676- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS -
(240) 676- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 12/06/2004
(240) 676- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 12/06/2004
(240) 678- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS -
(240) 678- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 10/08/2004
(240) 678- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 05/07/2004
(240) 678- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 06/04/2004
(240) 678- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 03/16/2004
(240) 681- WASHINGTON Atx Telecommunications Services, Ltd 20200 L RESELLER -
(240) 681- WASHINGTON Level 3 Communications 20200 CLEC 10/10/2006
(240) 681- WASHINGTON Bandwidth.Com Clec 20200 CLEC 11/17/2008
(240) 682- Lanham Cellco Partnership Dba Verizon Wireless 20706-4347 WIRELESS 10/03/2003
(240) 682- Lanham Cellco Partnership Dba Verizon Wireless 20706-4347 WIRELESS 08/06/2003
(240) 682- Lanham Cellco Partnership Dba Verizon Wireless 20706-4347 WIRELESS 09/08/2004
(240) 682- Lanham Cellco Partnership Dba Verizon Wireless 20706-4347 WIRELESS 02/05/2005
(240) 682- Lanham Cellco Partnership Dba Verizon Wireless 20706-4347 WIRELESS 04/06/2005
(240) 684- COLLEGE PARK Verizon Maryland 20741 WASZ 13 RBOC -
(240) 685- Washington Global Crossing Local Services 20005-4018 WASHINGTON DC CLEC -
(240) 685- Washington Rnk 20005-4018 CLEC 09/24/2007
(240) 685- Washington Infotelecom 20005-4018 UNKNOWN 09/11/2012
(240) 686- GERMANTOWN Bandwidth.Com Clec 20767 CLEC 07/16/2012
(240) 686- GERMANTOWN Rnk 20767 CLEC 06/04/2012
(240) 688- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 06/12/2006
(240) 688- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 06/19/2006
(240) 688- Adelphi Omnipoint Communications Cap Operations 20783-1633 PCS 08/25/2006
(240) 688- Adelphi Omnipoint Communications Cap Operations 20783-1633 PCS 09/11/2006
(240) 688- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 09/20/2006
(240) 688- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 09/20/2006
(240) 691- Washington Cellco Partnership Dba Verizon Wireless 20005-4018 WIRELESS 04/30/2007
(240) 691- Washington Cellco Partnership Dba Verizon Wireless 20005-4018 WIRELESS 11/28/2007
(240) 691- Washington Cellco Partnership Dba Verizon Wireless 20005-4018 WIRELESS 09/03/2008
(240) 694- BETHESDA Verizon Maryland 20014 WASZ 2 RBOC -
(240) 694- BETHESDA Nextel Communications 20014 WASZ 2 WIRELESS 07/12/2004
(240) 694- BETHESDA Nextel Communications 20014 WASZ 2 WIRELESS 08/18/2004
(240) 695- TEMPLE HILLS Verizon Maryland 20031 WASZ 5 RBOC -
(240) 695- TEMPLE HILLS Cellco Partnership Dba Verizon Wireless 20031 WIRELESS 08/05/2009
(240) 695- TEMPLE HILLS Cellco Partnership Dba Verizon Wireless 20031 WIRELESS 01/04/2011
(240) 695- TEMPLE HILLS Cellco Partnership Dba Verizon Wireless 20031 WIRELESS 06/15/2011
(240) 696- Level 3 Communications CLEC 03/13/2006
(240) 696- Level 3 Communications CLEC 04/19/2007
(240) 696- Level 3 Communications CLEC 03/08/2005
(240) 696- Level 3 Communications CLEC 03/08/2005
(240) 699- BUCKEYSTOWN Verizon Maryland 21717 BUCKEYSTOWN RBOC 10/10/2008
(240) 699- BUCKEYSTOWN Verizon Maryland 21717 BUCKEYSTOWN RBOC 10/13/2009
(240) 700- UNKNOWN -
(240) 701- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 701- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 701- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 701- Leap Wireless Intl, Dba Cricket Comm PCS 02/04/2010
(240) 701- Leap Wireless Intl, Dba Cricket Comm PCS 02/04/2010
(240) 703- UNKNOWN -
(240) 704- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 704- Leap Wireless Intl, Dba Cricket Comm PCS 02/04/2010
(240) 704- Leap Wireless Intl, Dba Cricket Comm PCS 02/04/2010
(240) 704- Rnk CLEC 07/21/2010
(240) 704- Bandwidth.Com Clec CLEC 09/17/2010
(240) 705- Leap Wireless Intl, Dba Cricket Comm PCS 03/25/2009
(240) 705- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 705- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 705- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 705- Xo Maryland CLEC 07/26/2010
(240) 705- Bandwidth.Com Clec CLEC 09/28/2010
(240) 706- Leap Wireless Intl, Dba Cricket Comm PCS 03/27/2009
(240) 706- Leap Wireless Intl, Dba Cricket Comm PCS 01/05/2010
(240) 706- Leap Wireless Intl, Dba Cricket Comm PCS 01/05/2010
(240) 706- Leap Wireless Intl, Dba Cricket Comm PCS 01/05/2010
(240) 706- Ymax Communications Corp CLEC 11/17/2010
(240) 707- New Cingular Wireless Pcs WIRELESS 01/27/2012
(240) 707- Us Lec Of Maryland CLEC 06/07/2012
(240) 707- New Cingular Wireless Pcs WIRELESS 01/30/2012
(240) 708- Baltimore Cellco Partnership Dba Verizon Wireless 21202-2103 WIRELESS 06/08/2012
(240) 708- Baltimore Cellco Partnership Dba Verizon Wireless 21202-2103 WIRELESS 06/11/2012
(240) 708- Baltimore Cellco Partnership Dba Verizon Wireless 21202-2103 WIRELESS 06/11/2012
(240) 708- Baltimore Level 3 Communications 21202-2103 CLEC 11/07/2012
(240) 712- Baltimore Cellco Partnership Dba Verizon Wireless 21202-2103 WIRELESS 11/01/2011
(240) 712- Baltimore Cellco Partnership Dba Verizon Wireless 21202-2103 WIRELESS 11/16/2011
(240) 712- Baltimore Cellco Partnership Dba Verizon Wireless 21202-2103 WIRELESS 11/16/2011
(240) 712- Baltimore Infotelecom 21202-2103 UNKNOWN 09/11/2012
(240) 712- Baltimore Cellco Partnership Dba Verizon Wireless 21202-2103 WIRELESS 06/05/2012
(240) 713- Peerless Network Of Maryland UNKNOWN 04/16/2012
(240) 715- Washington Global Crossing Local Services 20005-4018 WASHINGTON DC CLEC -
(240) 715- Washington Omnipoint Communications Cap Operations 20005-4018 BELTSVILLE PCS 02/01/2006
(240) 715- Washington Omnipoint Communications Cap Operations 20005-4018 BELTSVILLE PCS 06/14/2006
(240) 718- Xo Maryland WASHINGTON CLEC 02/13/2001
(240) 718- Xo Maryland WASHINGTON CLEC 07/20/2005
(240) 718- Bandwidth.Com Clec CLEC 08/04/2010
(240) 718- Rnk CLEC 07/20/2010
(240) 718- Sprint Spectrum PCS 10/13/2011
(240) 720- Washington Rnk 20005-4018 CLEC 08/17/2007
(240) 720- Washington Ymax Communications Corp 20005-4018 CLEC 04/02/2008
(240) 720- Washington Bandwidth.Com Clec 20005-4018 CLEC 09/28/2010
(240) 722- Washington Bandwidth.Com Clec 20005-4018 CLEC 10/26/2012
(240) 723- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 04/06/2005
(240) 723- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 10/05/2006
(240) 723- Adelphi Nextel Communications 20783-1633 WIRELESS 03/02/2005
(240) 723- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 01/05/2005
(240) 723- Adelphi Nextel Communications 20783-1633 WIRELESS 12/28/2005
(240) 724- Washington Cavalier East 20005-4083 CLEC -
(240) 724- Washington Level 3 Communications 20005-4083 CLEC 03/08/2005
(240) 724- Washington Level 3 Communications 20005-4083 CLEC 03/08/2005
(240) 724- Washington Infotelecom 20005-4083 UNKNOWN 09/12/2012
(240) 727- New Cingular Wireless Pcs WIRELESS -
(240) 727- New Cingular Wireless Pcs WIRELESS 08/17/2007
(240) 734- Bandwidth.Com Clec CLEC 03/22/2012
(240) 737- Washington Cavalier East 20005-4083 CLEC 05/09/2001
(240) 740- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 06/11/2012
(240) 740- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 06/11/2012
(240) 740- Washington Cellco Partnership Dba Verizon Wireless 20024-3206 WIRELESS 11/02/2012
(240) 743- New Cingular Wireless Pcs WIRELESS 11/16/2006
(240) 743- New Cingular Wireless Pcs WIRELESS 07/02/2007
(240) 743- Broadwing Communications CLEC 08/10/2007
(240) 743- Rnk CLEC 08/17/2007
(240) 743- Cellco Partnership Dba Verizon Wireless WIRELESS 08/30/2007
(240) 743- Cellco Partnership Dba Verizon Wireless WIRELESS 08/30/2007
(240) 744- WASHINGTON Nextel Communications 20200 WIRELESS 06/02/2005
(240) 745- Washington Xo Maryland 20008-2304 WASHINGTON CLEC -
(240) 745- Washington Rnk 20008-2304 CLEC 07/19/2010
(240) 745- Washington Level 3 Communications 20008-2304 CLEC 11/29/2012
(240) 747- Washington Level 3 Communications 20005-4083 CLEC 06/21/2007
(240) 750- Cellco Partnership Dba Verizon Wireless WIRELESS 12/15/2006
(240) 750- New Cingular Wireless Pcs WIRELESS 05/10/2005
(240) 750- Cellco Partnership Dba Verizon Wireless WIRELESS 04/09/2007
(240) 750- Level 3 Communications CLEC 09/05/2007
(240) 750- Cellco Partnership Dba Verizon Wireless WIRELESS 08/30/2007
(240) 751- Chevy Chase Telcove Operations 20815-5205 CLEC -
(240) 751- Chevy Chase New Cingular Wireless Pcs 20815-5205 WIRELESS 07/12/2006
(240) 751- Chevy Chase Level 3 Communications 20815-5205 CLEC 12/23/2002
(240) 751- Chevy Chase New Cingular Wireless Pcs 20815-5205 WIRELESS 10/30/2006
(240) 751- Chevy Chase New Cingular Wireless Pcs 20815-5205 WIRELESS 10/30/2006
(240) 752- Chevy Chase Telcove Operations 20815-5205 CLEC -
(240) 752- Chevy Chase Nextel Communications 20815-5205 WIRELESS 01/26/2005
(240) 752- Chevy Chase Nextel Communications 20815-5205 WIRELESS 02/14/2005
(240) 752- Chevy Chase Level 3 Communications 20815-5205 CLEC 02/23/2006
(240) 752- Chevy Chase Level 3 Communications 20815-5205 CLEC 01/30/2008
(240) 753- Chevy Chase Telcove Operations 20815-5205 CLEC -
(240) 753- Chevy Chase Cellco Partnership Dba Verizon Wireless 20815-5205 WIRELESS 06/02/2006
(240) 753- Chevy Chase Cellco Partnership Dba Verizon Wireless 20815-5205 WIRELESS 06/02/2006
(240) 753- Chevy Chase Level 3 Communications 20815-5205 CLEC 07/12/2012
(240) 754- Level 3 Communications CLEC 11/11/2011
(240) 754- Level 3 Communications CLEC 11/14/2011
(240) 754- Cellco Partnership Dba Verizon Wireless WIRELESS 05/18/2012
(240) 754- Paetec Communications CLEC 03/22/2012
(240) 754- Cellco Partnership Dba Verizon Wireless WIRELESS 05/18/2012
(240) 755- Comcast Phone Of Northern Maryland CLEC 01/05/2006
(240) 755- Omnipoint Communications Cap Operations BALTIMORE PCS 07/18/2007
(240) 755- Omnipoint Communications Cap Operations BALTIMORE PCS 12/13/2007
(240) 755- Omnipoint Communications Cap Operations BALTIMORE PCS 03/24/2008
(240) 755- Cellco Partnership Dba Verizon Wireless WIRELESS 10/19/2011
(240) 755- Cellco Partnership Dba Verizon Wireless WIRELESS 10/19/2011
(240) 762- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 08/22/2012
(240) 762- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 08/22/2012
(240) 762- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 08/22/2012
(240) 762- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 08/22/2012
(240) 762- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 08/22/2012
(240) 764- Washington Xo Maryland 20008-2304 WASHINGTON CLEC 07/20/2005
(240) 764- Washington Level 3 Communications 20008-2304 CLEC 12/23/2002
(240) 764- Washington Comcast Phone Of Northern Maryland 20008-2304 CLEC 09/07/2007
(240) 764- Washington Comcast Phone Of Northern Maryland 20008-2304 CLEC 09/07/2007
(240) 765- Washington Nextel Communications 20008-2304 WIRELESS 01/27/2004
(240) 765- Washington Omnipoint Communications Cap Operations 20008-2304 BELTSVILLE PCS 10/16/2007
(240) 765- Washington Ymax Communications Corp 20008-2304 CLEC 09/24/2008
(240) 765- Washington Nextel Communications 20008-2304 WIRELESS 01/26/2005
(240) 766- Washington Rnk 20008-2304 CLEC 08/17/2007
(240) 767- Washington Cavalier East 20005-4083 CLEC 05/09/2001
(240) 767- Washington Level 3 Communications 20005-4083 CLEC 02/01/2008
(240) 770- Comcast Phone Of Northern Maryland CLEC 11/22/2004
(240) 770- Bandwidth.Com Clec CLEC 11/03/2010
(240) 770- Comcast Phone Of Northern Maryland CLEC 03/27/2008
(240) 770- Comcast Phone Of Northern Maryland CLEC 03/27/2008
(240) 770- Comcast Phone Of Northern Maryland CLEC 11/16/2006
(240) 770- Bandwidth.Com Clec CLEC 11/03/2010
(240) 772- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 11/17/2011
(240) 772- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 08/06/2012
(240) 772- FREDERICK Omnipoint Communications Cap Operations 21701 FREDERICK PCS 09/20/2012
(240) 772- FREDERICK Leap Wireless Intl, Dba Cricket Comm 21701 PCS 04/04/2012
(240) 772- FREDERICK Cellco Partnership Dba Verizon Wireless 21701 WIRELESS 05/15/2012
(240) 773- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC -
(240) 776- WASHINGTON Bandwidth.Com Clec 20200 CLEC 01/26/2010
(240) 776- WASHINGTON Bandwidth.Com Clec 20200 CLEC 07/18/2011
(240) 776- WASHINGTON Level 3 Communications 20200 CLEC 05/06/2008
(240) 778- Washington Xo Maryland 20008-2304 WASHINGTON CLEC -
(240) 778- Washington Cellco Partnership Dba Verizon Wireless 20008-2304 WIRELESS 07/06/2006
(240) 778- Washington Cbeyond Comm 20008-2304 CLEC 05/21/2008
(240) 778- Washington Cellco Partnership Dba Verizon Wireless 20008-2304 WIRELESS 07/06/2006
(240) 779- Washington Cavalier East 20005-4083 CLEC -
(240) 779- Washington Omnipoint Communications Cap Operations 20005-4083 BELTSVILLE PCS 10/17/2011
(240) 780- WASHINGTON Broadwing Communications 20200 WASHINGTON DC CLEC -
(240) 780- WASHINGTON Bandwidth.Com Clec 20200 CLEC 11/03/2010
(240) 780- WASHINGTON Comcast Phone Of Northern Maryland 20200 CLEC 09/12/2012
(240) 782- Washington Global Crossing Local Services 20005-4018 WASHINGTON DC CLEC -
(240) 784- Frederick Omnipoint Communications Cap Operations 21701-5672 FREDERICK PCS 06/06/2001
(240) 784- Frederick Cellco Partnership Dba Verizon Wireless 21701-5672 WIRELESS 11/02/2012
(240) 784- Frederick Cellco Partnership Dba Verizon Wireless 21701-5672 WIRELESS 11/02/2012
(240) 784- Frederick Cellco Partnership Dba Verizon Wireless 21701-5672 WIRELESS 11/02/2012
(240) 784- Frederick Cellco Partnership Dba Verizon Wireless 21701-5672 WIRELESS 11/02/2012
(240) 786- WASHINGTON Infotelecom 20200 UNKNOWN 09/11/2012
(240) 786- WASHINGTON Comcast Phone Of Northern Maryland 20200 CLEC 11/14/2006
(240) 786- WASHINGTON Comcast Phone Of Northern Maryland 20200 CLEC 11/14/2006
(240) 787- WASHINGTON Broadwing Communications 20200 WASHINGTON DC CLEC -
(240) 788- WASHINGTON Broadwing Communications 20200 WASHINGTON DC CLEC -
(240) 788- WASHINGTON Level 3 Communications 20200 CLEC 04/13/2012
(240) 788- WASHINGTON Comcast Phone Of Northern Maryland 20200 CLEC 01/22/2008
(240) 793- Silver Spring Nextel Communications 20904-7822 WIRELESS 03/15/2001
(240) 793- Silver Spring Nextel Communications 20904-7822 WIRELESS 10/31/2002
(240) 794- WASHINGTON Bandwidth.Com Clec 20200 CLEC 07/05/2011
(240) 794- WASHINGTON Sprint Spectrum 20200 PCS 10/13/2011
(240) 794- WASHINGTON Cavalier Telephone Mid Atlantic 20200 CLEC 04/02/2009
(240) 800- Core Communications CLEC 06/27/2012
(240) 800- Comcast Phone Of Northern Maryland CLEC 08/23/2012
(240) 801- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 06/08/2012
(240) 801- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 06/11/2012
(240) 801- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 06/11/2012
(240) 801- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 06/11/2012
(240) 801- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 08/06/2012
(240) 803- Bandwidth.Com Clec CLEC 05/24/2012
(240) 803- Bandwidth.Com Clec CLEC 09/20/2012
(240) 803- New Cingular Wireless Pcs WIRELESS 01/30/2012
(240) 804- Xo Maryland WASHINGTON CLEC 04/23/2001
(240) 804- Xo Maryland WASHINGTON CLEC 07/20/2005
(240) 804- Rnk CLEC 07/20/2010
(240) 804- Bandwidth.Com Clec CLEC 02/23/2011
(240) 811- UNKNOWN -
(240) 812- Washington Bandwidth.Com Clec 20005-4018 CLEC 03/07/2011
(240) 812- Washington Mcimetro Access Transmission Services 20005-4018 WASHINGTON CLEC 12/31/2008
(240) 812- Washington Rnk 20005-4018 CLEC 09/24/2007
(240) 813- WASHINGTON Atx Telecommunications Services, Ltd 20200 L RESELLER -
(240) 813- WASHINGTON Us Lec Of Maryland 20200 MCLEAN CLEC 03/06/2008
(240) 813- WASHINGTON Bandwidth.Com Clec 20200 CLEC 05/27/2010
(240) 813- WASHINGTON New Cingular Wireless Pcs 20200 WIRELESS 04/13/2005
(240) 813- WASHINGTON Bandwidth.Com Clec 20200 WASHINGTON CLEC 12/22/2010
(240) 814- UNKNOWN -
(240) 818- SMITHSBURG Cellco Partnership Dba Verizon Wireless 21783 SMITHSBURG WIRELESS 05/07/2004
(240) 818- SMITHSBURG Cellco Partnership Dba Verizon Wireless 21783 WIRELESS 09/06/2006
(240) 818- SMITHSBURG Cellco Partnership Dba Verizon Wireless 21783 WIRELESS 09/03/2008
(240) 818- SMITHSBURG Cellco Partnership Dba Verizon Wireless 21783 WIRELESS 05/04/2005
(240) 818- SMITHSBURG Cellco Partnership Dba Verizon Wireless 21783 WIRELESS 03/05/2008
(240) 821- Omnipoint Communications Cap Operations PCS 08/17/2005
(240) 821- Omnipoint Communications Cap Operations PCS 08/26/2005
(240) 821- Omnipoint Communications Cap Operations PCS 10/10/2005
(240) 821- Level 3 Communications CLEC 12/29/2005
(240) 821- Nextel Communications WIRELESS 08/23/2005
(240) 823- Xo Maryland WASHINGTON CLEC 02/13/2001
(240) 823- Xo Maryland WASHINGTON CLEC 07/19/2005
(240) 823- Comcast Phone Of Northern Maryland CLEC 11/01/2011
(240) 826- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 05/07/2007
(240) 826- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 05/10/2007
(240) 826- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 05/10/2007
(240) 826- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 05/10/2007
(240) 826- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 05/10/2007
(240) 826- Rockville Verizon Maryland 20850-2600 WASZ 10 - ROCKVILLE RBOC 05/10/2007
(240) 832- Silver Spring Nextel Communications 20904-7822 WIRELESS 10/31/2002
(240) 832- Silver Spring Nextel Communications 20904-7822 WIRELESS 10/31/2002
(240) 833- Washington Comcast Phone Of Northern Maryland 20008-2304 CLEC 02/27/2002
(240) 837- Washington Xo Maryland 20008-2304 WASHINGTON CLEC 04/21/2011
(240) 837- Washington Infotelecom 20008-2304 UNKNOWN 09/11/2012
(240) 838- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 03/12/2007
(240) 838- Beltsville Comcast Phone Of Northern Maryland 20705-1247 CLEC 11/29/2006
(240) 838- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 07/18/2007
(240) 839- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 01/19/2007
(240) 839- Adelphi Leap Wireless Intl, Dba Cricket Comm 20783-1633 PCS 02/17/2011
(240) 839- Adelphi Cbeyond Comm 20783-1633 CLEC 05/29/2008
(240) 839- Adelphi Omnipoint Communications Cap Operations 20783-1633 PCS 10/17/2007
(240) 841- Baltimore Cellco Partnership Dba Verizon Wireless 21201-2725 BALTIMORE WIRELESS 09/02/2011
(240) 841- Baltimore Cellco Partnership Dba Verizon Wireless 21201-2725 BALTIMORE WIRELESS 09/02/2011
(240) 841- Baltimore Cellco Partnership Dba Verizon Wireless 21201-2725 COLUMBIA WIRELESS 06/05/2012
(240) 841- Baltimore Cellco Partnership Dba Verizon Wireless 21201-2725 BALTIMORE WIRELESS 10/19/2011
(240) 842- Allegiance Telecom BALTIMORE CLEC -
(240) 842- Core Communications CLEC 08/02/2012
(240) 844- Xo Maryland WASHINGTON CLEC 02/13/2001
(240) 844- Bandwidth.Com Clec CLEC 10/19/2010
(240) 844- Xo Maryland WASHINGTON CLEC 07/20/2005
(240) 844- Xo Maryland WASHINGTON CLEC 07/20/2005
(240) 844- Atx Telecommunications Services, Ltd CLEC 02/26/2004
(240) 846- Washington Xo Maryland 20008-2304 WASHINGTON CLEC -
(240) 848- Silver Spring Nextel Communications 20904-7822 WIRELESS -
(240) 848- Silver Spring Nextel Communications 20904-7822 WIRELESS 06/16/2004
(240) 848- Silver Spring Nextel Communications 20904-7822 WIRELESS 11/30/2004
(240) 848- Silver Spring Nextel Communications 20904-7822 WIRELESS 03/23/2005
(240) 848- Silver Spring Rnk 20904-7822 CLEC 07/19/2010
(240) 848- Silver Spring Tw Telecom Of 20904-7822 LAUREL CLEC 09/21/2011
(240) 855- Beltsville Sprint Spectrum 20705-1238 PCS 10/09/2006
(240) 855- Beltsville Sprint Spectrum 20705-1238 PCS 02/15/2007
(240) 855- Beltsville Sprint Spectrum 20705-1238 PCS 02/15/2007
(240) 855- Beltsville Sprint Spectrum 20705-1238 PCS 02/15/2007
(240) 855- Beltsville Sprint Spectrum 20705-1238 PCS 10/16/2006
(240) 855- Beltsville Sprint Spectrum 20705-1238 PCS 10/16/2006
(240) 863- Laurel Tw Telecom Of Maryland 20707-6102 LAUREL CLEC -
(240) 863- Laurel Bandwidth.Com Clec 20707-6102 CLEC 12/29/2010
(240) 863- Laurel Cellco Partnership Dba Verizon Wireless 20707-6102 WIRELESS 05/12/2006
(240) 863- Laurel Nextel Communications 20707-6102 WIRELESS 06/07/2006
(240) 863- Laurel Cellco Partnership Dba Verizon Wireless 20707-6102 WIRELESS 05/04/2005
(240) 864- Washington Cavalier East 20005-4083 CLEC 05/09/2001
(240) 865- Baltimore Comcast Phone Of Northern Maryland 21201-3418 CLEC 01/22/2008
(240) 865- Baltimore Core Communications 21201-3418 CLEC 03/06/2008
(240) 865- Baltimore Level 3 Communications 21201-3418 BALTIMORE CLEC 08/01/2006
(240) 865- Baltimore Broadwing Communications 21201-3418 CLEC 09/29/2006
(240) 865- Baltimore Mcimetro Access Transmission Services 21201-3418 ROCKVILLE CLEC 11/09/2007
(240) 868- Washington Cavalier East 20005-4083 CLEC 05/09/2001
(240) 876- Silver Spring Nextel Communications 20904-7822 WIRELESS -
(240) 880- WASHINGTON Ymax Communications Corp 20200 CLEC 08/01/2008
(240) 882- Silver Spring Nextel Communications 20904-7822 WIRELESS -
(240) 883- WASHINGTON Infotelecom 20200 UNKNOWN 09/11/2012
(240) 888- New Cingular Wireless Pcs WIRELESS -
(240) 892- WASHINGTON Rnk 20200 CLEC 03/25/2011
(240) 895- LEXINGTON PARK Verizon Maryland 20653 LEXINGTON PARK RBOC -
(240) 895- LEXINGTON PARK Mcimetro Access Transmission Services 20653 WASHINGTON CLEC 12/29/2006
(240) 897- WASHINGTON Broadwing Communications 20200 WASHINGTON DC CLEC -
(240) 898- WASHINGTON Infotelecom 20200 UNKNOWN 09/12/2012
(240) 898- WASHINGTON Omnipoint Communications Cap Operations 20200 BELTSVILLE PCS 03/24/2008
(240) 898- WASHINGTON Omnipoint Communications Cap Operations 20200 BELTSVILLE PCS 10/16/2007
(240) 911- UNKNOWN -
(240) 912- Mc Lean Comcast Phone Of Northern Maryland 22102-3338 CLEC 11/15/2006
(240) 912- Mc Lean Comcast Phone Of Northern Maryland 22102-3338 CLEC 11/15/2006
(240) 912- Mc Lean Comcast Phone Of Northern Maryland 22102-3338 CLEC 11/15/2006
(240) 920- Frederick Sprint Spectrum 21701-5672 PCS 06/02/2009
(240) 920- Frederick Ymax Communications Corp 21701-5672 CLEC 03/03/2009
(240) 920- Frederick Ymax Communications Corp 21701-5672 CLEC 03/03/2009
(240) 920- Frederick New Cingular Wireless Pcs 21701-5672 WIRELESS 05/13/2010
(240) 920- Frederick New Cingular Wireless Pcs 21701-5672 WIRELESS 03/18/2009
(240) 925- Adelphi Cellco Partnership Dba Verizon Wireless 20783-1633 WIRELESS 05/06/2003
(240) 936- Hyattsville Verizon Maryland 20781-1618 HYATTSVILLE RBOC -
(240) 938- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 03/12/2009
(240) 938- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 05/07/2010
(240) 938- Beltsville Omnipoint Communications Cap Operations 20705-1247 BELTSVILLE PCS 08/13/2008
(240) 949- Washington Level 3 Communications 20005-4083 CLEC 12/20/2004
(240) 949- Washington Level 3 Communications 20005-4083 CLEC 12/20/2004
(240) 950- UNKNOWN -
(240) 959- UNKNOWN -
(240) 964- Cumberland Verizon Maryland 21502-3018 CUMBERLAND RBOC 05/29/2008
(240) 964- Cumberland Verizon Maryland 21502-3018 CUMBERLAND RBOC 05/29/2008
(240) 964- Cumberland Verizon Maryland 21502-3018 CUMBERLAND RBOC 05/29/2008
(240) 964- Cumberland Verizon Maryland 21502-3018 CUMBERLAND RBOC 05/29/2008
(240) 964- Cumberland Verizon Maryland 21502-3018 CUMBERLAND RBOC 05/29/2008
(240) 965- Chevy Chase Paetec Communications 20815-5205 MONTGOMERY CLEC -
(240) 965- Chevy Chase Comcast Phone Of Northern Maryland 20815-5205 CLEC 11/15/2006
(240) 979- Frederick Level 3 Communications 21701-5672 CLEC -
(240) 979- Frederick Bandwidth.Com Clec 21701-5672 CLEC 07/20/2011
(240) 979- Frederick Level 3 Communications 21701-5672 CLEC 05/12/2005
(240) 979- Frederick Bandwidth.Com Clec 21701-5672 CLEC 05/03/2011
(240) 979- Frederick New Cingular Wireless Pcs 21701-5672 WIRELESS 11/15/2011
(240) 986- Rnk CLEC 07/20/2010
(240) 986- Rnk CLEC 09/24/2007
(240) 986- Xo Maryland WASHINGTON CLEC 07/20/2005
(240) 986- Xo Maryland WASHINGTON CLEC 07/20/2005
(240) 993- Xo Maryland WASHINGTON CLEC 02/13/2001
(240) 993- Xo Maryland WASHINGTON CLEC 07/20/2005
(240) 993- New Cingular Wireless Pcs WIRELESS 10/16/2006
(240) 993- Xo Maryland WASHINGTON CLEC 07/20/2005
(240) 994- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS -
(240) 997- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 06/04/2004
(240) 997- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 09/07/2004
(240) 997- Annapolis Junction Cellco Partnership Dba Verizon Wireless 20701-1104 WIRELESS 09/07/2004
(240) 999- Silver Spring Verizon Maryland 20910-3435 WASZ 3 RBOC -


Cities that Use 240 Area Code

Reston, Hagerstown, Annapolis Junction, Washington, Mount Airy, Ijamsville, Silver Spring, Frederick, Rockville, Herndon, Laurel, Chevy Chase, Damascus, Lanham, Beltsville, Monrovia, Cumberland, Clinton, Baltimore, Cresaptown, Odenton, Myersville, Gaithersburg, Vienna, Adelphi, Thayerville, Sterling, Mc Lean, Hyattsville, College Park, Chantilly, Germantown, Bethesda, Temple Hills, Buckeystown, Lexington Park, Baileys Crossroads, and Smithsburg

240 Area Code External Links