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 86 87 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-294
| 9 |
Towson |
MD |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-11-05 |
|
| 667-295
| A |
Crofton |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
|
|
| 667-295
| 0 |
Crofton |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-12-06 |
|
| 667-295
| 1 |
Crofton |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-12-06 |
|
| 667-295
| 2 |
Crofton |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2018-12-07 |
|
| 667-295
| 3 |
Crofton |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-295
| 4 |
Crofton |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-295
| 5 |
Crofton |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-11-29 |
|
| 667-295
| 6 |
Crofton |
MD |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-295
| 7 |
Crofton |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2019-02-19 |
|
| 667-295
| 8 |
Crofton |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2019-02-19 |
|
| 667-295
| 9 |
Crofton |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-12-06 |
|
| 667-296
| A |
Reisterstown |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
| 667-296
| 0 |
Reisterstown |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-03-04 |
|
| 667-296
| 1 |
Reisterstown |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-03-04 |
|
| 667-296
| 2 |
Reisterstown |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2020-11-13 |
|
| 667-296
| 3 |
Reisterstown |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2020-11-13 |
|
| 667-296
| 4 |
Reisterstown |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2020-11-13 |
|
| 667-296
| 5 |
Reisterstown |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2025-03-07 |
|
| 667-296
| 6 |
Reisterstown |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2021-02-05 |
|
| 667-296
| 7 |
Reisterstown |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2021-02-05 |
|
| 667-296
| 8 |
Reisterstown |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2021-02-05 |
|
| 667-296
| 9 |
Reisterstown |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2022-10-16 |
|
| 667-297
| A |
Edgewood |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
| 667-297
| 0 |
Edgewood |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-10-17 |
|
| 667-297
| 1 |
Edgewood |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-10-17 |
|
| 667-297
| 2 |
Edgewood |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-10-23 |
|
| 667-297
| 3 |
Edgewood |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-05-21 |
|
| 667-297
| 4 |
Edgewood |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2021-04-29 |
|
| 667-297
| 5 |
Edgewood |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-04-29 |
|
| 667-297
| 6 |
Edgewood |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-01-31 |
|
| 667-297
| 7 |
Edgewood |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-01-31 |
|
| 667-297
| 8 |
Edgewood |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-04-29 |
|
| 667-297
| 9 |
Edgewood |
MD |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2021-01-30 |
|
| 667-298
| A |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 667-298
| 0 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-04-19 |
|
| 667-298
| 1 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-04-19 |
|
| 667-298
| 2 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-04-19 |
|
| 667-298
| 3 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-04-19 |
|
| 667-298
| 4 |
Aberdeen |
MD |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-22 |
|
| 667-298
| 5 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-05-13 |
|
| 667-298
| 6 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-06-15 |
|
| 667-298
| 7 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-03-20 |
|
| 667-298
| 8 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-03-20 |
|
| 667-298
| 9 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-03-20 |
|
| 667-299
| A |
Annapolis |
MD |
BLTMMDCHX7Y |
321J HD CARRIER LLC |
238 |
|
|
|
| 667-299
| 0 |
Annapolis |
MD |
BLTMMDCHXQX |
197D VONAGE AMERICA LLC |
238 |
|
2020-06-02 |
|
| 667-299
| 1 |
Annapolis |
MD |
BLTMMDCHXQX |
197D VONAGE AMERICA LLC |
238 |
|
2020-06-02 |
|
| 667-299
| 2 |
Annapolis |
MD |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-10-26 |
|
| 667-299
| 3 |
Annapolis |
MD |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-10-26 |
|
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Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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