Local Calling Guide
Area code/prefix search
Washington Zone 4, MD
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-879
| 8 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-12-13 |
|
| 240-879
| 9 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-12-09 |
|
| 240-886
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-886
| 0 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2022-01-09 |
|
| 240-886
| 1 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-01-09 |
|
| 240-886
| 2 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2022-01-09 |
|
| 240-886
| 3 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2022-02-11 |
|
| 240-886
| 4 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-01-09 |
|
| 240-886
| 5 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-01-09 |
|
| 240-886
| 6 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-01-09 |
|
| 240-886
| 7 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-01-08 |
|
| 240-886
| 8 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-01-08 |
|
| 240-886
| 9 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-01-08 |
|
| 240-898
| A |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-898
| 0 |
SLSPMD913MD |
939H COMMIO, LLC |
236 |
|
2021-08-29 |
|
| 240-898
| 1 |
SLSPMD913MD |
939H COMMIO, LLC |
236 |
|
2021-08-29 |
|
| 240-898
| 2 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
| 240-898
| 3 |
SLSPMD913MD |
939H COMMIO, LLC |
236 |
|
2021-08-29 |
|
| 240-898
| 4 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2012-10-07 |
|
| 240-898
| 5 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-04-13 |
|
| 240-898
| 6 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-04-21 |
|
| 240-898
| 7 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-11-11 |
|
| 240-898
| 8 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-11-11 |
|
| 240-898
| 9 |
WASHDC12KMD |
145J TERRA NOVA TELECOM INC. |
236 |
|
2021-07-22 |
|
| 240-900
| A |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
|
|
| 240-900
| 0 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-04-20 |
|
| 240-900
| 1 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-07-27 |
|
| 240-900
| 2 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-07-27 |
|
| 240-900
| 3 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-07-27 |
|
| 240-900
| 4 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-07-27 |
|
| 240-900
| 5 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-07-27 |
|
| 240-900
| 6 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-07-27 |
|
| 240-900
| 7 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-07-27 |
|
| 240-900
| 8 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-04-20 |
|
| 240-900
| 9 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-04-20 |
|
| 240-906
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-906
| 0 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-10-17 |
|
| 240-906
| 1 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2017-09-29 |
|
| 240-906
| 2 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-11-26 |
|
| 240-906
| 3 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2017-10-26 |
|
| 240-906
| 4 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2018-09-20 |
|
| 240-906
| 5 |
WASHDC126MD |
964H BARR TELL USA, INC. |
236 |
|
2018-05-08 |
|
| 240-906
| 6 |
WASHDCDTDS1 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2017-02-13 |
|
| 240-906
| 7 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2018-10-22 |
|
| 240-906
| 8 |
SLSPMD913MD |
939H COMMIO, LLC |
236 |
|
2021-09-16 |
|
| 240-906
| 9 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2018-11-24 |
|
| 240-927
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-927
| 0 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2022-08-07 |
|
| 240-927
| 1 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2022-08-07 |
|
| 240-927
| 2 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2022-08-07 |
|
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>
Last updated: Sat, 02 May 2026 12:20:53 UTC
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