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 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-534
| A |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
| 240-534
| 0 |
|
515J IP HORIZON LLC |
236 |
|
2016-06-11 |
|
| 240-534
| 1 |
|
876D ONVOY, LLC - MD |
236 |
|
2016-07-09 |
|
| 240-534
| 2 |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2016-06-11 |
|
| 240-534
| 3 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2016-08-21 |
|
| 240-534
| 4 |
|
551G NUSO, LLC |
236 |
|
2016-08-31 |
|
| 240-534
| 5 |
|
551G NUSO, LLC |
236 |
|
2016-08-31 |
|
| 240-534
| 6 |
|
551G NUSO, LLC |
236 |
|
2016-08-31 |
|
| 240-534
| 7 |
|
551G NUSO, LLC |
236 |
|
2016-08-31 |
|
| 240-534
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-07-14 |
|
| 240-534
| 9 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2016-06-10 |
|
| 240-541
| A |
BTVLMD18GT6 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 240-541
| 0 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2023-04-22 |
|
| 240-541
| 1 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2023-04-22 |
|
| 240-541
| 2 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-09-02 |
|
| 240-541
| 3 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-02-10 |
|
| 240-541
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2012-10-16 |
|
| 240-541
| 5 |
|
876D ONVOY, LLC - MD |
236 |
|
2012-10-16 |
|
| 240-541
| 6 |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2012-10-16 |
|
| 240-541
| 7 |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2012-10-16 |
|
| 240-541
| 8 |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2012-10-16 |
|
| 240-541
| 9 |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2012-10-16 |
|
| 240-543
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-543
| 0 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-10-30 |
|
| 240-543
| 1 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-12-04 |
|
| 240-543
| 2 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-10-09 |
|
| 240-543
| 3 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-10-11 |
|
| 240-543
| 4 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-10-11 |
|
| 240-543
| 5 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-10-11 |
|
| 240-543
| 6 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-11-30 |
|
| 240-543
| 7 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-11-30 |
|
| 240-543
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-09-15 |
|
| 240-543
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-09-15 |
|
| 240-600
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 240-600
| 0 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-08-17 |
|
| 240-600
| 1 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-08-28 |
|
| 240-600
| 2 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-06-11 |
|
| 240-600
| 3 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-06-11 |
|
| 240-600
| 4 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-06-11 |
|
| 240-600
| 5 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-06-11 |
|
| 240-600
| 6 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-06-11 |
|
| 240-600
| 7 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-06-11 |
|
| 240-600
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-06-11 |
|
| 240-600
| 9 |
|
5562 METROPCS, INC. |
236 |
|
2011-06-11 |
|
| 240-630
| A |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
|
|
| 240-630
| 0 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-10-09 |
|
| 240-630
| 1 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-10-09 |
|
| 240-630
| 2 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-10-09 |
|
| 240-630
| 3 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-10-09 |
|
| 240-630
| 4 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2012-10-09 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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