Local Calling Guide
Area code/prefix search
Washington Zone 2, MD
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-426
| 6 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-426
| 7 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-426
| 8 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-426
| 9 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-445
| A |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-02-23 |
|
| 240-445
| 0 |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-06-01 |
|
| 240-445
| 1 |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-01-11 |
|
| 240-445
| 2 |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-01-11 |
|
| 240-445
| 3 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-06-17 |
|
| 240-445
| 4 |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-07-25 |
|
| 240-445
| 5 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-04-03 |
|
| 240-445
| 6 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-04-03 |
|
| 240-445
| 7 |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-01-11 |
|
| 240-445
| 8 |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-06-01 |
|
| 240-445
| 9 |
SLSPMD913MD |
939H COMMIO, LLC |
236 |
|
2023-12-23 |
|
| 240-464
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-464
| 0 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2005-12-31 |
|
| 240-464
| 1 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-10-11 |
|
| 240-464
| 2 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-09-11 |
|
| 240-464
| 3 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-10-11 |
|
| 240-464
| 4 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-11-01 |
|
| 240-464
| 5 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2005-09-23 |
|
| 240-464
| 6 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-12-01 |
|
| 240-464
| 7 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-12-30 |
|
| 240-464
| 8 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-12-30 |
|
| 240-464
| 9 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-08-28 |
|
| 240-465
| A |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
| 240-465
| 0 |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
| 240-465
| 1 |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-11-15 |
|
| 240-465
| 2 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-06-26 |
|
| 240-465
| 3 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-06-26 |
|
| 240-465
| 4 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-06-26 |
|
| 240-465
| 5 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-06-26 |
|
| 240-465
| 6 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-06-26 |
|
| 240-465
| 7 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-06-26 |
|
| 240-465
| 8 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-06-26 |
|
| 240-465
| 9 |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
|
|
| 240-479
| A |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-479
| 0 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2008-05-29 |
|
| 240-479
| 1 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2008-05-29 |
|
| 240-479
| 2 |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
2008-09-25 |
|
| 240-479
| 3 |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2008-10-10 |
|
| 240-479
| 4 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-02-22 |
|
| 240-479
| 5 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-11-15 |
|
| 240-479
| 6 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-12-01 |
|
| 240-479
| 7 |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
2009-11-30 |
|
| 240-479
| 8 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2010-06-03 |
|
| 240-479
| 9 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2008-12-13 |
|
| 240-480
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-480
| 0 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2010-11-25 |
|
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Last updated: Tue, 29 Sep 2026 03:00:13 UTC
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