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 |
| 667-476
| A |
Glenwood |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
|
|
| 667-476
| 0 |
Glenwood |
MD |
|
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-02-04 |
|
| 667-476
| 1 |
Glenwood |
MD |
|
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-02-04 |
|
| 667-476
| 2 |
Glenwood |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2021-07-11 |
|
| 667-476
| 3 |
Glenwood |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2021-07-11 |
|
| 667-476
| 4 |
Glenwood |
MD |
|
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-05-23 |
|
| 667-476
| 5 |
Glenwood |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2021-07-12 |
|
| 667-476
| 6 |
Glenwood |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2021-05-23 |
|
| 667-476
| 7 |
Glenwood |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2021-05-22 |
|
| 667-476
| 8 |
Glenwood |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2021-05-23 |
|
| 667-476
| 9 |
Glenwood |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2021-05-23 |
|
| 667-477
| A |
Hampstead |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
|
|
| 667-477
| 0 |
Hampstead |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-08-19 |
|
| 667-477
| 1 |
Hampstead |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-08-19 |
|
| 667-477
| 2 |
Hampstead |
MD |
|
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-01-28 |
|
| 667-477
| 3 |
Hampstead |
MD |
|
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-01-28 |
|
| 667-477
| 4 |
Hampstead |
MD |
|
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-05-23 |
|
| 667-477
| 5 |
Hampstead |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2021-09-23 |
|
| 667-477
| 6 |
Hampstead |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2021-05-22 |
|
| 667-477
| 7 |
Hampstead |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-477
| 8 |
Hampstead |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-477
| 9 |
Hampstead |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2021-10-06 |
|
| 667-478
| A |
Sykesville |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-05-12 |
|
| 667-478
| 0 |
Sykesville |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-05-12 |
|
| 667-478
| 1 |
Sykesville |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-05-12 |
|
| 667-478
| 2 |
Sykesville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-06-22 |
|
| 667-478
| 3 |
Sykesville |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2025-11-27 |
|
| 667-479
| A |
Ellicott City |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-05-12 |
|
| 667-479
| 0 |
Ellicott City |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-05-12 |
|
| 667-479
| 1 |
Ellicott City |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-05-12 |
|
| 667-479
| 2 |
Ellicott City |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2025-08-01 |
|
| 667-479
| 9 |
Ellicott City |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-12-14 |
|
| 667-480
| A |
Waterloo (Washington DC LATA) |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2024-05-17 |
|
| 667-480
| 0 |
Waterloo (Washington DC LATA) |
MD |
|
876D ONVOY, LLC - MD |
236 |
|
2024-05-17 |
|
| 667-481
| A |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-05-31 |
|
| 667-481
| 0 |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-10-21 |
|
| 667-481
| 1 |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-10-21 |
|
| 667-481
| 2 |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-10-21 |
|
| 667-481
| 3 |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-10-21 |
|
| 667-481
| 4 |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-10-21 |
|
| 667-481
| 5 |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-10-21 |
|
| 667-481
| 6 |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-05-31 |
|
| 667-481
| 7 |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-05-31 |
|
| 667-481
| 8 |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-05-31 |
|
| 667-481
| 9 |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-05-31 |
|
| 667-482
| A |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-07-04 |
|
| 667-482
| 1 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-05-14 |
|
| 667-482
| 2 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-05-14 |
|
| 667-482
| 3 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-05-14 |
|
| 667-482
| 4 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2025-05-14 |
|
<< 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 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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