Local Calling Guide
Area code/prefix search
Gaithersburg, MD
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>
NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
301-337
| 5 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-11-01 |
|
301-337
| 6 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2013-07-19 |
|
301-337
| 7 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-02-19 |
|
301-337
| 8 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2010-02-19 |
|
301-337
| 9 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2012-10-22 |
|
301-355
| A |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-355
| 0 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2009-10-12 |
|
301-355
| 1 |
WASJDCDCDS0 |
6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
236 |
|
2009-11-30 |
|
301-355
| 2 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2011-01-22 |
|
301-355
| 3 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2008-10-05 |
|
301-355
| 4 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2009-08-28 |
|
301-355
| 5 |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-09-04 |
|
301-355
| 6 |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-09-04 |
|
301-355
| 7 |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2007-09-04 |
|
301-355
| 8 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2009-08-28 |
|
301-355
| 9 |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2011-02-02 |
|
301-366
| A |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-366
| 0 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2013-09-12 |
|
301-366
| 1 |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2010-06-17 |
|
301-366
| 2 |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2010-06-17 |
|
301-366
| 3 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2003-10-11 |
|
301-366
| 4 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2003-10-11 |
|
301-366
| 5 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2004-10-03 |
|
301-366
| 6 |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2010-06-17 |
|
301-366
| 7 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2003-12-30 |
|
301-366
| 8 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2003-12-30 |
|
301-366
| 9 |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2010-09-27 |
|
301-370
| A |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 0 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 1 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 2 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 3 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 4 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 5 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 6 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 7 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 8 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-370
| 9 |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
|
|
301-407
| A |
PLVLMDPVRS2 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-407
| 0 |
PLVLMDPVRS2 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-407
| 1 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2011-06-10 |
|
301-407
| 2 |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
2014-10-23 |
|
301-407
| 3 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2005-07-14 |
|
301-407
| 4 |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2003-05-10 |
|
301-407
| 5 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2006-05-05 |
|
301-407
| 6 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
2011-10-13 |
|
301-407
| 7 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2005-12-29 |
|
301-407
| 8 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2006-05-05 |
|
301-407
| 9 |
PLVLMDPVRS2 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-515
| A |
GMTWMDGNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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