Local Calling Guide
Area code/prefix search
Washington Zone 4, MD
<< 1 2 3 4 5 6 7 8 9 10 11 12 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-610
| 2 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-05-24 |
|
| 240-610
| 3 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2019-01-19 |
|
| 240-610
| 4 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2019-09-24 |
|
| 240-610
| 5 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2019-09-24 |
|
| 240-610
| 6 |
WASHDC125MD |
197D VONAGE AMERICA LLC |
236 |
|
2020-06-08 |
|
| 240-610
| 7 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2019-11-08 |
|
| 240-610
| 8 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2018-12-10 |
|
| 240-610
| 9 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2021-09-16 |
|
| 240-613
| A |
TYCRVA03AMD |
2589 US LEC OF MARYLAND, INC. |
236 |
|
|
|
| 240-613
| 0 |
|
2589 US LEC OF MARYLAND, INC. |
236 |
|
2012-05-27 |
|
| 240-613
| 1 |
|
2589 US LEC OF MARYLAND, INC. |
236 |
|
2012-05-27 |
|
| 240-613
| 2 |
|
2589 US LEC OF MARYLAND, INC. |
236 |
|
2012-05-27 |
|
| 240-613
| 3 |
|
2589 US LEC OF MARYLAND, INC. |
236 |
|
2012-05-27 |
|
| 240-613
| 4 |
|
2589 US LEC OF MARYLAND, INC. |
236 |
|
2012-05-27 |
|
| 240-613
| 5 |
|
2589 US LEC OF MARYLAND, INC. |
236 |
|
2012-05-27 |
|
| 240-613
| 6 |
|
2589 US LEC OF MARYLAND, INC. |
236 |
|
2012-05-27 |
|
| 240-613
| 7 |
|
2589 US LEC OF MARYLAND, INC. |
236 |
|
2012-05-27 |
|
| 240-613
| 8 |
|
2589 US LEC OF MARYLAND, INC. |
236 |
|
2012-05-27 |
|
| 240-613
| 9 |
|
2589 US LEC OF MARYLAND, INC. |
236 |
|
2012-05-27 |
|
| 240-615
| A |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
|
|
| 240-615
| 0 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2013-07-20 |
|
| 240-615
| 1 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2013-07-20 |
|
| 240-615
| 2 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2013-07-20 |
|
| 240-615
| 3 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2013-07-20 |
|
| 240-615
| 4 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2013-07-20 |
|
| 240-615
| 5 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2013-07-20 |
|
| 240-615
| 6 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2013-10-11 |
|
| 240-615
| 7 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2013-10-11 |
|
| 240-615
| 8 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2014-08-25 |
|
| 240-615
| 9 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2013-07-20 |
|
| 240-623
| A |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
|
|
| 240-623
| 0 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2015-02-05 |
|
| 240-623
| 1 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2015-02-05 |
|
| 240-623
| 2 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-05-15 |
|
| 240-623
| 3 |
|
515J IP HORIZON LLC |
236 |
|
2016-05-31 |
|
| 240-623
| 4 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2015-06-30 |
|
| 240-623
| 5 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-07-30 |
|
| 240-623
| 6 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2015-11-01 |
|
| 240-623
| 7 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-06-27 |
|
| 240-623
| 8 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-01-04 |
|
| 240-623
| 9 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-01-04 |
|
| 240-667
| A |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
| 240-667
| 0 |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
| 240-667
| 1 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-07-25 |
|
| 240-667
| 2 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-07-25 |
|
| 240-667
| 3 |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
| 240-667
| 4 |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
| 240-667
| 5 |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
| 240-667
| 6 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2012-11-16 |
|
| 240-667
| 7 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2007-07-03 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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