Local Calling Guide
Area code/prefix search
Towson, MD
<< 1 2 3 4 5 6 7 8
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-403
| 6 |
|
939H COMMIO, LLC |
238 |
|
2021-11-01 |
|
| 667-403
| 7 |
|
939H COMMIO, LLC |
238 |
|
2021-11-01 |
|
| 667-403
| 8 |
|
939H COMMIO, LLC |
238 |
|
2021-11-01 |
|
| 667-403
| 9 |
|
939H COMMIO, LLC |
238 |
|
2021-11-01 |
|
| 667-436
| A |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
| 667-436
| 0 |
|
876D ONVOY, LLC - MD |
238 |
|
2024-12-14 |
|
| 667-436
| 1 |
|
876D ONVOY, LLC - MD |
238 |
|
2024-12-14 |
|
| 667-436
| 2 |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2024-11-20 |
|
| 667-436
| 3 |
|
876D ONVOY, LLC - MD |
238 |
|
2024-04-19 |
|
| 667-436
| 4 |
|
876D ONVOY, LLC - MD |
238 |
|
2024-04-19 |
|
| 667-436
| 5 |
|
876D ONVOY, LLC - MD |
238 |
|
2024-04-19 |
|
| 667-436
| 6 |
|
876D ONVOY, LLC - MD |
238 |
|
2025-11-28 |
|
| 667-436
| 7 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-10-07 |
|
| 667-436
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-10-07 |
|
| 667-436
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-07-03 |
|
<< 1 2 3 4 5 6 7 8
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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