Local Calling Guide
Area code/prefix search
Washington Zone 15, MD
<< 1 2 3 >>
NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
240-545
| 8 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-08-19 |
|
240-573
| A |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
240-573
| 0 |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
240-573
| 1 |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
240-573
| 2 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2012-04-05 |
|
240-573
| 3 |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
240-573
| 4 |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
240-573
| 6 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2014-12-29 |
|
240-573
| 7 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2012-06-09 |
|
240-573
| 8 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2014-12-29 |
|
240-573
| 9 |
|
515J IP HORIZON LLC |
236 |
|
2016-05-31 |
|
240-689
| A |
VINNVACBX0X |
425J CSC WIRELESS, LLC |
236 |
|
|
|
240-689
| 0 |
WASHDC125MD |
197D VONAGE AMERICA LLC |
236 |
|
2020-05-20 |
|
240-689
| 1 |
WASHDC125MD |
197D VONAGE AMERICA LLC |
236 |
|
2020-05-20 |
|
240-689
| 2 |
VINNVACBX0X |
425J CSC WIRELESS, LLC |
236 |
|
2019-07-19 |
|
240-689
| 3 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-12-23 |
|
240-689
| 4 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-12-23 |
|
240-689
| 5 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-12-23 |
|
240-689
| 6 |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-01-16 |
|
240-689
| 7 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2021-12-13 |
|
240-689
| 8 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2021-12-13 |
|
240-689
| 9 |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2021-10-06 |
|
240-892
| A |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
240-892
| 0 |
WASHDC12KMD |
145J TERRA NOVA TELECOM INC. |
236 |
|
2023-08-06 |
|
240-892
| 1 |
|
515J IP HORIZON LLC |
236 |
|
2015-03-21 |
|
240-892
| 2 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2015-04-10 |
|
240-892
| 3 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
240-892
| 4 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2011-04-23 |
|
240-892
| 5 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-06-27 |
|
240-892
| 6 |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2020-04-15 |
|
240-892
| 7 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2014-10-24 |
|
240-892
| 8 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2014-10-24 |
|
301-298
| A |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-298
| 0 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2004-03-26 |
|
301-298
| 1 |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
301-298
| 2 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-03-14 |
|
301-298
| 3 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-03-14 |
|
301-298
| 4 |
MRBOMDMBDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2013-02-25 |
|
301-298
| 5 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2008-03-13 |
|
301-298
| 6 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-298
| 7 |
WASHDC12DS6 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2016-11-19 |
|
301-298
| 8 |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
301-298
| 9 |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-358
| A |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
301-358
| 0 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
301-358
| 1 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
301-358
| 2 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
301-358
| 3 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-01-04 |
|
301-358
| 4 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2003-03-24 |
|
301-358
| 5 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-01-04 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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