Local Calling Guide
Area code/prefix search
Severn, MD
<< 1 2 3 4
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-356
| 1 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2021-07-13 |
|
| 667-356
| 2 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2021-07-13 |
|
| 667-356
| 3 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-05-23 |
|
| 667-356
| 4 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-07-12 |
|
| 667-356
| 5 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-07-12 |
|
| 667-356
| 6 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-09-25 |
|
| 667-356
| 7 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-05-22 |
|
| 667-356
| 8 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2021-10-17 |
|
| 667-356
| 9 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2021-10-17 |
|
| 667-388
| A |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
| 667-388
| 0 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2022-04-23 |
|
| 667-388
| 1 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2022-04-23 |
|
| 667-388
| 2 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2022-04-23 |
|
| 667-388
| 3 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2022-04-23 |
|
| 667-388
| 4 |
BLTQMD01BMD |
516J TON80 COMMUNICATIONS, LLC |
238 |
|
2022-04-04 |
|
| 667-388
| 5 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2022-08-25 |
|
| 667-388
| 6 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-01-30 |
|
| 667-388
| 7 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2022-08-25 |
|
| 667-388
| 8 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-01-30 |
|
| 667-388
| 9 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2022-01-29 |
|
| 667-410
| A |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
| 667-410
| 0 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-05-20 |
|
| 667-410
| 1 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-410
| 2 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-410
| 3 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-410
| 4 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-410
| 5 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-410
| 6 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-410
| 7 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-410
| 8 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2022-09-30 |
|
| 667-410
| 9 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2022-09-30 |
|
| 667-492
| A |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2024-07-22 |
|
| 667-492
| 0 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-07-23 |
|
| 667-492
| 1 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2024-07-22 |
|
| 667-492
| 2 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2024-07-22 |
|
| 667-492
| 3 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2024-07-22 |
|
| 667-492
| 4 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2024-07-22 |
|
| 667-492
| 5 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2024-07-22 |
|
| 667-492
| 6 |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2024-07-22 |
|
| 667-492
| 7 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-04-06 |
|
| 667-492
| 8 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-07-23 |
|
| 667-492
| 9 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-07-23 |
|
| 667-507
| A |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-05-11 |
|
| 667-507
| 0 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2025-08-11 |
|
| 667-507
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-05-11 |
|
| 667-507
| 9 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-05-11 |
|
<< 1 2 3 4
Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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