Local Calling Guide
Area code/prefix search
NPA: 667
[Rate centres in NPA 667]
[Dial plan for NPA 667]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-451
| 1 |
Fork |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2025-07-20 |
|
| 667-451
| 7 |
Fork |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2024-06-20 |
|
| 667-451
| 8 |
Fork |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-01-12 |
|
| 667-451
| 9 |
Fork |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-11-13 |
|
| 667-452
| A |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
| 667-452
| 0 |
Catonsville |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-12-08 |
|
| 667-452
| 3 |
Catonsville |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-26 |
|
| 667-452
| 4 |
Catonsville |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-26 |
|
| 667-452
| 5 |
Catonsville |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-26 |
|
| 667-452
| 6 |
Catonsville |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-26 |
|
| 667-452
| 7 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-10-29 |
|
| 667-452
| 8 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-10-29 |
|
| 667-452
| 9 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-10-29 |
|
| 667-453
| A |
Prince Frederick |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
| 667-453
| 0 |
Prince Frederick |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2023-11-15 |
|
| 667-453
| 1 |
Prince Frederick |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2024-01-11 |
|
| 667-453
| 2 |
Prince Frederick |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2024-01-11 |
|
| 667-453
| 3 |
Prince Frederick |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-03-01 |
|
| 667-453
| 4 |
Prince Frederick |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-03-01 |
|
| 667-453
| 5 |
Prince Frederick |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-03-01 |
|
| 667-453
| 6 |
Prince Frederick |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-04-05 |
|
| 667-453
| 7 |
Prince Frederick |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-04-05 |
|
| 667-453
| 8 |
Prince Frederick |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-12-04 |
|
| 667-453
| 9 |
Prince Frederick |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-11-04 |
|
| 667-454
| A |
Bel Air |
MD |
BLTMMDCHXQX |
197D VONAGE AMERICA LLC |
238 |
|
|
|
| 667-454
| 0 |
Bel Air |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2023-12-09 |
|
| 667-454
| 1 |
Bel Air |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-29 |
|
| 667-454
| 2 |
Bel Air |
MD |
|
197D VONAGE AMERICA LLC |
238 |
|
2023-12-08 |
|
| 667-454
| 3 |
Bel Air |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-29 |
|
| 667-454
| 4 |
Bel Air |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-29 |
|
| 667-454
| 5 |
Bel Air |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2024-02-23 |
|
| 667-454
| 6 |
Bel Air |
MD |
|
939H COMMIO, LLC |
238 |
|
2023-12-28 |
|
| 667-454
| 7 |
Bel Air |
MD |
|
939H COMMIO, LLC |
238 |
|
2023-12-28 |
|
| 667-454
| 8 |
Bel Air |
MD |
|
939H COMMIO, LLC |
238 |
|
2023-12-28 |
|
| 667-454
| 9 |
Bel Air |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-12-15 |
|
| 667-455
| A |
Edgewood |
MD |
BLTMMDCHXQX |
197D VONAGE AMERICA LLC |
238 |
|
2024-01-15 |
|
| 667-455
| 0 |
Edgewood |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-26 |
|
| 667-455
| 1 |
Edgewood |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-26 |
|
| 667-455
| 2 |
Edgewood |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-26 |
|
| 667-455
| 3 |
Edgewood |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2025-04-25 |
|
| 667-455
| 4 |
Edgewood |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2025-06-13 |
|
| 667-455
| 5 |
Edgewood |
MD |
|
197D VONAGE AMERICA LLC |
238 |
|
2024-01-15 |
|
| 667-455
| 6 |
Edgewood |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2025-07-31 |
|
| 667-455
| 7 |
Edgewood |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2025-09-21 |
|
| 667-455
| 8 |
Edgewood |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2025-09-21 |
|
| 667-456
| A |
Dundalk |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-01-08 |
|
| 667-456
| 0 |
Dundalk |
MD |
|
939H COMMIO, LLC |
238 |
|
2024-01-09 |
|
| 667-456
| 1 |
Dundalk |
MD |
|
939H COMMIO, LLC |
238 |
|
2024-01-09 |
|
| 667-456
| 2 |
Dundalk |
MD |
|
939H COMMIO, LLC |
238 |
|
2024-01-09 |
|
| 667-456
| 3 |
Dundalk |
MD |
|
939H COMMIO, LLC |
238 |
|
2024-01-09 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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