Local Calling Guide
Area code/prefix search
Glen Burnie, MD
<< 1 2 3 4 5 6 7 8 9 10 11 12 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-232
| 4 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-232
| 5 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-232
| 6 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-232
| 7 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2022-10-16 |
|
| 667-232
| 8 |
BLTMMDCHCMD |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2018-06-04 |
|
| 667-232
| 9 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-11-22 |
|
| 667-325
| A |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
| 667-325
| 0 |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2021-09-16 |
|
| 667-325
| 1 |
BLTQMD013MD |
939H COMMIO, LLC |
238 |
|
2021-09-16 |
|
| 667-325
| 2 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2021-10-10 |
|
| 667-325
| 3 |
BLTQMD01BMD |
516J TON80 COMMUNICATIONS, LLC |
238 |
|
2021-08-13 |
|
| 667-325
| 4 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-09-23 |
|
| 667-325
| 5 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-09-23 |
|
| 667-325
| 6 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-09-23 |
|
| 667-325
| 7 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2021-10-10 |
|
| 667-325
| 8 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2021-10-10 |
|
| 667-325
| 9 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2021-08-12 |
|
| 667-405
| A |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
| 667-405
| 0 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2022-06-21 |
|
| 667-405
| 1 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2022-05-08 |
|
| 667-405
| 2 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-09-12 |
|
| 667-405
| 3 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-09-12 |
|
| 667-405
| 4 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-10-13 |
|
| 667-405
| 5 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-09-12 |
|
| 667-405
| 6 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2022-05-07 |
|
| 667-405
| 7 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2022-05-07 |
|
| 667-405
| 8 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2022-05-07 |
|
| 667-405
| 9 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2022-05-07 |
|
| 667-417
| A |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
|
|
| 667-417
| 0 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-12-29 |
|
| 667-417
| 1 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-12-29 |
|
| 667-417
| 2 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-11-17 |
|
| 667-417
| 3 |
BLTQMD019MD |
490J BOOST SUBSCRIBERCO L.L.C. |
238 |
|
2025-01-19 |
|
| 667-417
| 4 |
BLTQMD019MD |
490J BOOST SUBSCRIBERCO L.L.C. |
238 |
|
2025-03-24 |
|
| 667-417
| 5 |
BLTQMD019MD |
490J BOOST SUBSCRIBERCO L.L.C. |
238 |
|
2025-05-26 |
|
| 667-417
| 6 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-02-25 |
|
| 667-417
| 7 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-02-25 |
|
| 667-417
| 8 |
BLTQMD019MD |
490J BOOST SUBSCRIBERCO L.L.C. |
238 |
|
2023-03-13 |
|
| 667-417
| 9 |
BLTQMD019MD |
490J BOOST SUBSCRIBERCO L.L.C. |
238 |
|
2023-07-01 |
|
| 667-470
| A |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-04-22 |
|
| 667-470
| 0 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2024-05-22 |
|
| 667-470
| 1 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2024-05-22 |
|
| 667-470
| 2 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-07-06 |
|
| 667-470
| 3 |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2025-03-24 |
|
| 667-470
| 4 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-08-11 |
|
| 667-470
| 5 |
BLTMMDCHCMD |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2024-04-23 |
|
| 667-470
| 6 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-04-22 |
|
| 667-470
| 7 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-04-22 |
|
| 667-470
| 8 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-04-22 |
|
| 667-470
| 9 |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-04-22 |
|
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Last updated: Tue, 29 Sep 2026 03:00:13 UTC
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