Local Calling Guide
Area code/prefix search
Glen Burnie, MD
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 443-891
| A |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
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| 443-891
| 0 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
| 443-891
| 1 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
| 443-891
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
| 443-891
| 3 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2003-11-01 |
|
| 443-891
| 4 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2004-10-03 |
|
| 443-891
| 5 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-04-12 |
|
| 443-891
| 6 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-04-12 |
|
| 443-891
| 7 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-04-12 |
|
| 443-891
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-04-12 |
|
| 443-891
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-04-12 |
|
| 443-960
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
| 443-960
| 0 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2011-12-08 |
|
| 443-960
| 1 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-02-06 |
|
| 443-960
| 2 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-02-06 |
|
| 443-960
| 3 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2016-04-11 |
|
| 443-960
| 4 |
|
318J COMCAST IP PHONE, LLC |
238 |
|
2016-04-18 |
|
| 443-960
| 5 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2016-02-05 |
|
| 443-960
| 6 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2012-06-03 |
|
| 443-960
| 7 |
|
876D ONVOY, LLC - MD |
238 |
|
2014-12-31 |
|
| 443-960
| 8 |
|
876D ONVOY, LLC - MD |
238 |
|
2014-12-31 |
|
| 443-960
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-04-12 |
|
| 443-962
| A |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
| 443-962
| 0 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-11-05 |
|
| 443-962
| 1 |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2007-11-20 |
|
| 443-962
| 2 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2007-12-14 |
|
| 443-962
| 3 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2008-01-14 |
|
| 443-962
| 4 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-02-04 |
|
| 443-962
| 5 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-02-04 |
|
| 443-962
| 6 |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2008-02-13 |
|
| 443-962
| 7 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2008-03-03 |
|
| 443-962
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-04-21 |
|
| 443-962
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2008-04-21 |
|
| 443-989
| A |
|
829J PAETEC ITEL, LLC |
238 |
|
2025-04-01 |
|
| 443-989
| 0 |
|
829J PAETEC ITEL, LLC |
238 |
|
|
|
| 443-989
| 1 |
|
829J PAETEC ITEL, LLC |
238 |
|
|
|
| 443-989
| 2 |
|
829J PAETEC ITEL, LLC |
238 |
|
|
|
| 443-989
| 3 |
|
829J PAETEC ITEL, LLC |
238 |
|
|
|
| 443-989
| 4 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2021-05-28 |
|
| 443-989
| 5 |
|
829J PAETEC ITEL, LLC |
238 |
|
|
|
| 443-989
| 6 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-07-06 |
|
| 443-989
| 7 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-09-14 |
|
| 443-989
| 8 |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2006-07-03 |
|
| 443-989
| 9 |
|
829J PAETEC ITEL, LLC |
238 |
|
|
|
| 667-232
| A |
BLTMMDCHCMD |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
| 667-232
| 0 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2021-04-30 |
|
| 667-232
| 1 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2019-01-18 |
|
| 667-232
| 2 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-232
| 3 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-232
| 4 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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