Local Calling Guide
Area code/prefix search
Baltimore, MD
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NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
443-723
| 9 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
443-726
| A |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2024-02-09 |
|
443-726
| 0 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
443-726
| 1 |
|
876D ONVOY, LLC - MD |
238 |
|
2024-04-12 |
|
443-726
| 2 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
443-726
| 3 |
|
490J DISH WIRELESS, LLC |
238 |
|
2024-05-13 |
|
443-726
| 4 |
|
876D ONVOY, LLC - MD |
238 |
|
2024-05-11 |
|
443-726
| 5 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
443-726
| 6 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
443-726
| 7 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
443-726
| 8 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2011-11-20 |
|
443-726
| 9 |
|
876D ONVOY, LLC - MD |
238 |
|
2024-05-11 |
|
443-739
| A |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
443-740
| A |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-740
| 0 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2005-03-28 |
|
443-740
| 1 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2005-03-28 |
|
443-740
| 2 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-03-20 |
|
443-740
| 3 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2005-03-28 |
|
443-740
| 4 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2005-03-28 |
|
443-740
| 5 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2005-03-28 |
|
443-740
| 7 |
|
490J DISH WIRELESS, LLC |
238 |
|
2024-09-12 |
|
443-740
| 9 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2005-08-03 |
|
443-742
| A |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-743
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-743
| 0 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2008-05-29 |
|
443-743
| 1 |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2008-07-09 |
|
443-743
| 2 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2008-07-18 |
|
443-743
| 3 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2008-07-18 |
|
443-743
| 4 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-08-18 |
|
443-743
| 5 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-08-18 |
|
443-743
| 6 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-08-18 |
|
443-743
| 7 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-08-18 |
|
443-743
| 8 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-08-18 |
|
443-743
| 9 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2010-07-03 |
|
443-750
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-750
| 0 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2010-08-06 |
|
443-750
| 1 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2010-08-09 |
|
443-750
| 2 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2010-08-09 |
|
443-750
| 3 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2010-10-01 |
|
443-750
| 4 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2010-10-01 |
|
443-750
| 5 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2010-10-01 |
|
443-750
| 6 |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2010-08-25 |
|
443-750
| 7 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2010-10-01 |
|
443-750
| 8 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2010-10-01 |
|
443-750
| 9 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2010-10-01 |
|
443-756
| A |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
443-759
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
443-759
| 0 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-12-27 |
|
443-759
| 1 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-04-08 |
|
443-759
| 2 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-04-08 |
|
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Last updated: Sat, 01 Jun 2024 11:59:14 UTC
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