Local Calling Guide
Area code/prefix search
Westminster, MD
<< 1 2 3 4 5 >>
NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
443-244
| 9 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-02-14 |
|
443-289
| A |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
443-289
| 0 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-09-15 |
|
443-289
| 1 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-09-15 |
|
443-289
| 2 |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2011-06-30 |
|
443-289
| 3 |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2011-06-30 |
|
443-289
| 4 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2011-10-10 |
|
443-289
| 5 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2011-10-10 |
|
443-289
| 6 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2011-10-10 |
|
443-289
| 7 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2011-11-23 |
|
443-289
| 8 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2012-11-24 |
|
443-289
| 9 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2014-02-19 |
|
443-293
| A |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-293
| 0 |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-293
| 1 |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-293
| 2 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2005-01-20 |
|
443-293
| 3 |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
2006-07-14 |
|
443-293
| 4 |
BLTOMDXIDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
238 |
|
|
|
443-293
| 5 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-09-23 |
|
443-293
| 6 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-09-15 |
|
443-293
| 7 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2008-02-22 |
|
443-293
| 8 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2007-05-14 |
|
443-293
| 9 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2024-01-06 |
|
443-340
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-368
| A |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
|
|
443-487
| A |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-487
| 0 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2022-10-16 |
|
443-487
| 1 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2008-03-03 |
|
443-487
| 2 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2008-04-04 |
|
443-487
| 3 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2009-02-02 |
|
443-487
| 4 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-05-05 |
|
443-487
| 5 |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2002-11-16 |
|
443-487
| 6 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-09-03 |
|
443-487
| 7 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-09-21 |
|
443-487
| 8 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2002-11-25 |
|
443-487
| 9 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2021-10-08 |
|
443-536
| A |
BLTMMDCH40Z |
6664 SPRINT SPECTRUM, L.P. |
238 |
|
|
|
443-536
| 0 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2008-12-10 |
|
443-536
| 1 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-536
| 2 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2005-01-18 |
|
443-536
| 3 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-536
| 4 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2007-08-22 |
|
443-536
| 5 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-536
| 6 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-536
| 7 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2007-08-22 |
|
443-536
| 8 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2006-06-07 |
|
443-536
| 9 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-547
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-547
| 0 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2009-07-06 |
|
443-547
| 1 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2009-09-09 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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