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 |
443-952
| 8 |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
443-952
| 9 |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-05-04 |
|
443-974
| A |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-974
| 0 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-03-05 |
|
443-974
| 1 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-06-01 |
|
443-974
| 2 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-07-19 |
|
443-974
| 3 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-07-19 |
|
443-974
| 4 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2008-10-03 |
|
443-974
| 5 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2006-09-23 |
|
443-974
| 6 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-11-02 |
|
443-974
| 7 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-01-02 |
|
443-974
| 8 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-02-02 |
|
443-974
| 9 |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
667-272
| A |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
667-272
| 0 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-09-23 |
|
667-272
| 1 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-05-23 |
|
667-272
| 2 |
BLTMMDCHXMX |
506J TWILIO INTERNATIONAL, INC. |
238 |
|
2020-12-26 |
|
667-272
| 3 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2022-06-15 |
|
667-272
| 4 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2019-11-02 |
|
667-272
| 5 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2019-11-02 |
|
667-272
| 6 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2019-11-02 |
|
667-272
| 7 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2019-11-02 |
|
667-272
| 8 |
BLTQMD01BMD |
516J TON80 COMMUNICATIONS, LLC |
238 |
|
2021-07-14 |
|
667-272
| 9 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2019-11-02 |
|
667-314
| A |
BLTQMD012MD |
964H BARR TELL USA, INC. |
238 |
|
|
|
667-314
| 0 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-07-12 |
|
667-314
| 1 |
BLTQMD012MD |
964H BARR TELL USA, INC. |
238 |
|
2016-12-17 |
|
667-314
| 2 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2016-09-27 |
|
667-314
| 3 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2017-10-30 |
|
667-314
| 4 |
BLTMMDCHX7X |
073H TELNYX LLC |
238 |
|
2017-03-14 |
|
667-314
| 5 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2017-10-02 |
|
667-314
| 6 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-07-12 |
|
667-314
| 7 |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2024-02-15 |
|
667-367
| A |
BLTMMDSN3MD |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
238 |
|
|
|
667-367
| 0 |
|
515J IP HORIZON LLC |
238 |
|
2016-05-31 |
|
667-367
| 1 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2016-09-08 |
|
667-367
| 2 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2016-06-15 |
|
667-367
| 3 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2015-11-13 |
|
667-367
| 4 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2016-07-25 |
|
667-367
| 5 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-01-22 |
|
667-367
| 6 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2016-10-31 |
|
667-367
| 7 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2016-05-06 |
|
667-367
| 8 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2018-04-23 |
|
667-367
| 9 |
BLTMMDSN3MD |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
238 |
|
2015-07-12 |
|
667-788
| A |
BLTMMD91DS2 |
2596 QUANTUM TELECOMMUNICATIONS, INC. - MD |
238 |
|
|
|
667-788
| 0 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2021-12-16 |
|
667-788
| 1 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2021-12-16 |
|
667-788
| 2 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-12-19 |
|
667-788
| 3 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2022-06-07 |
|
667-788
| 4 |
BLTQMD019MD |
490J DISH WIRELESS, LLC |
238 |
|
2022-12-20 |
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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