Local Calling Guide
Area code/prefix search
Gaithersburg, MD
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 301-740
| 1 |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2004-07-02 |
|
| 301-740
| 2 |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2004-07-02 |
|
| 301-740
| 3 |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2004-07-02 |
|
| 301-740
| 4 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2005-04-07 |
|
| 301-740
| 5 |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2006-02-05 |
|
| 301-740
| 6 |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2011-09-02 |
|
| 301-740
| 7 |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2006-03-30 |
|
| 301-740
| 8 |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2006-03-30 |
|
| 301-740
| 9 |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
2006-03-30 |
|
| 301-820
| A |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
| 301-820
| 0 |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2012-02-23 |
|
| 301-820
| 1 |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2012-02-23 |
|
| 301-820
| 2 |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2010-09-14 |
|
| 301-820
| 3 |
WASHDCMTX7X |
2697 CTC COMMUNICATIONS CORP. - MD |
236 |
|
2011-05-27 |
|
| 301-820
| 4 |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
| 301-820
| 5 |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2009-11-04 |
|
| 301-820
| 6 |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
| 301-820
| 7 |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2011-06-17 |
|
| 301-820
| 8 |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2012-02-23 |
|
| 301-820
| 9 |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-01-07 |
|
| 301-869
| A |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-916
| A |
GMTWMDGNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-926
| A |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-944
| A |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-944
| 0 |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-944
| 1 |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-944
| 2 |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-944
| 3 |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2008-05-30 |
|
| 301-944
| 4 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2011-06-27 |
|
| 301-944
| 5 |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-944
| 6 |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-944
| 7 |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-944
| 8 |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-944
| 9 |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 301-947
| A |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-956
| A |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-956
| 0 |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2007-08-18 |
|
| 301-956
| 1 |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-956
| 2 |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
2009-02-12 |
|
| 301-956
| 3 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2009-04-02 |
|
| 301-956
| 4 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2009-05-02 |
|
| 301-956
| 5 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2009-06-01 |
|
| 301-956
| 6 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2009-02-02 |
|
| 301-956
| 7 |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2011-03-15 |
|
| 301-956
| 8 |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2011-03-15 |
|
| 301-956
| 9 |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2010-02-16 |
|
| 301-963
| A |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-972
| A |
GMTWMDGNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-977
| A |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
| 301-987
| A |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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