Local Calling Guide
Area code/prefix search
Washington Zone 13, MD
1 2 3 4 5 6 7 8 9 10 >>
NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
240-228
| A |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-228
| 0 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-228
| 1 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2002-06-25 |
|
240-228
| 2 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2003-02-15 |
|
240-228
| 3 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-228
| 4 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-228
| 5 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-228
| 6 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-228
| 7 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-228
| 8 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-228
| 9 |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2003-02-15 |
|
240-241
| A |
LNHMMDADGT0 |
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
240-241
| 0 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-05-01 |
|
240-241
| 1 |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
240-241
| 2 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2013-06-16 |
|
240-241
| 3 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2013-06-16 |
|
240-241
| 4 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2014-06-25 |
|
240-241
| 5 |
WASHDCCZDS1 |
4773 XO MARYLAND, LLC |
236 |
|
2007-07-09 |
|
240-241
| 6 |
WASHDCCZDS1 |
4773 XO MARYLAND, LLC |
236 |
|
2007-07-09 |
|
240-241
| 7 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2007-12-05 |
|
240-241
| 8 |
LNHMMDADGT0 |
8832 STARPOWER COMMUNICATIONS, LLC - MD |
236 |
|
|
|
240-241
| 9 |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2013-05-03 |
|
240-297
| A |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
240-297
| 0 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2004-12-29 |
|
240-297
| 1 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2004-12-29 |
|
240-297
| 2 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2013-03-17 |
|
240-297
| 3 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-01-05 |
|
240-297
| 4 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
240-297
| 5 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2005-01-05 |
|
240-297
| 6 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2010-06-21 |
|
240-297
| 7 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2012-03-24 |
|
240-297
| 8 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2014-10-23 |
|
240-297
| 9 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-03-14 |
|
240-373
| A |
ODTNMDAUDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
240-387
| A |
WASHDC12OMD |
4820 CAVALIER EAST, LLC - MD |
236 |
|
|
|
240-387
| 0 |
WASHDC12OMD |
4820 CAVALIER EAST, LLC - MD |
236 |
|
|
|
240-387
| 1 |
WASHDC12OMD |
4820 CAVALIER EAST, LLC - MD |
236 |
|
|
|
240-387
| 2 |
WASHDC12OMD |
4820 CAVALIER EAST, LLC - MD |
236 |
|
|
|
240-387
| 3 |
WASHDC12OMD |
4820 CAVALIER EAST, LLC - MD |
236 |
|
|
|
240-387
| 4 |
WASHDC12OMD |
4820 CAVALIER EAST, LLC - MD |
236 |
|
|
|
240-387
| 5 |
|
876D ONVOY, LLC - MD |
236 |
|
2024-04-19 |
|
240-387
| 6 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2007-02-22 |
|
240-387
| 7 |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2007-02-22 |
|
240-387
| 8 |
|
876D ONVOY, LLC - MD |
236 |
|
2024-04-19 |
|
240-387
| 9 |
|
876D ONVOY, LLC - MD |
236 |
|
2024-04-21 |
|
240-391
| A |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
240-391
| 0 |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
240-391
| 1 |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
240-391
| 2 |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
|
|
240-391
| 3 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2007-10-12 |
|
1 2 3 4 5 6 7 8 9 10 >>
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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