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 |
301-519
| A |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-525
| A |
LARLMDLR3MD |
2596 QUANTUM TELECOMMUNICATIONS, INC. - MD |
236 |
|
|
|
301-525
| 0 |
LARLMDLR3MD |
2596 QUANTUM TELECOMMUNICATIONS, INC. - MD |
236 |
|
2003-12-07 |
|
301-525
| 1 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2008-06-05 |
|
301-525
| 2 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2008-08-14 |
|
301-525
| 3 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2008-10-03 |
|
301-525
| 4 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2008-02-15 |
|
301-525
| 5 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2008-02-15 |
|
301-525
| 6 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2008-07-03 |
|
301-525
| 7 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2008-11-03 |
|
301-525
| 8 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2008-11-17 |
|
301-525
| 9 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2008-12-19 |
|
301-527
| A |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-528
| A |
GMTWMDGNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-540
| A |
GMTWMDGNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-556
| A |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-556
| 0 |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-556
| 1 |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-556
| 2 |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-556
| 3 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2004-11-18 |
|
301-556
| 4 |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-556
| 5 |
LARLMDCCDS0 |
4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD |
236 |
|
2004-05-06 |
|
301-556
| 6 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2004-02-28 |
|
301-556
| 7 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2004-02-28 |
|
301-556
| 8 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2005-11-13 |
|
301-556
| 9 |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-569
| A |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
301-569
| 0 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2013-09-17 |
|
301-569
| 1 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2014-05-01 |
|
301-569
| 2 |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2011-05-07 |
|
301-569
| 3 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2014-06-01 |
|
301-569
| 4 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2013-12-10 |
|
301-569
| 5 |
WASIDCRG7MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
236 |
|
2013-10-01 |
|
301-569
| 6 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2011-09-08 |
|
301-569
| 7 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2012-01-14 |
|
301-569
| 8 |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2011-09-02 |
|
301-569
| 9 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2012-04-05 |
|
301-591
| A |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
301-591
| 0 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
301-591
| 1 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
301-591
| 2 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
301-591
| 3 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
301-591
| 4 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
301-591
| 5 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
301-591
| 6 |
SLSPMD91DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2020-04-19 |
|
301-591
| 7 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-02-18 |
|
301-591
| 8 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
301-591
| 9 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
301-740
| A |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-740
| 0 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2004-11-29 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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