Local Calling Guide
Area code/prefix search
NPA: 667
[Rate centres in NPA 667]
[Dial plan for NPA 667]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-256
| 3 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2020-08-07 |
|
| 667-256
| 4 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2020-08-07 |
|
| 667-256
| 5 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2020-08-07 |
|
| 667-256
| 6 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2020-08-07 |
|
| 667-256
| 7 |
Aberdeen |
MD |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
236 |
|
2020-02-26 |
|
| 667-256
| 8 |
Aberdeen |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
236 |
|
2019-02-19 |
|
| 667-256
| 9 |
Aberdeen |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
236 |
|
2019-02-19 |
|
| 667-257
| A |
Columbia |
MD |
BLTMMDCHXQX |
197D VONAGE AMERICA LLC |
238 |
|
|
|
| 667-257
| 0 |
Columbia |
MD |
BLTMMDCHXQX |
197D VONAGE AMERICA LLC |
238 |
|
2018-12-29 |
|
| 667-257
| 1 |
Columbia |
MD |
BLTMMDCHXQX |
197D VONAGE AMERICA LLC |
238 |
|
2018-12-29 |
|
| 667-257
| 2 |
Columbia |
MD |
BLTMMDCHXQX |
197D VONAGE AMERICA LLC |
238 |
|
2018-12-29 |
|
| 667-257
| 3 |
Columbia |
MD |
BLTMMDCHXQX |
197D VONAGE AMERICA LLC |
238 |
|
2018-12-29 |
|
| 667-257
| 4 |
Columbia |
MD |
BLTMMDCHXQX |
197D VONAGE AMERICA LLC |
238 |
|
2018-12-30 |
|
| 667-257
| 5 |
Columbia |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2022-10-16 |
|
| 667-257
| 6 |
Columbia |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2021-05-01 |
|
| 667-257
| 7 |
Columbia |
MD |
CLMAMDORAMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2019-11-26 |
|
| 667-257
| 8 |
Columbia |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-06-27 |
|
| 667-257
| 9 |
Columbia |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-06-27 |
|
| 667-258
| A |
Baltimore |
MD |
BLTQMD017MD |
996H AIRESPRING, INC. |
238 |
|
|
|
| 667-258
| 0 |
Baltimore |
MD |
BLTQMD017MD |
996H AIRESPRING, INC. |
238 |
|
2018-12-29 |
|
| 667-258
| 1 |
Baltimore |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 2 |
Baltimore |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 3 |
Baltimore |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 4 |
Baltimore |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 5 |
Baltimore |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 6 |
Baltimore |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 7 |
Baltimore |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 8 |
Baltimore |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 9 |
Baltimore |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-259
| A |
Reisterstown |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
| 667-259
| 0 |
Reisterstown |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-259
| 1 |
Reisterstown |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-259
| 2 |
Reisterstown |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-259
| 3 |
Reisterstown |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2019-02-04 |
|
| 667-259
| 4 |
Reisterstown |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2019-02-04 |
|
| 667-259
| 5 |
Reisterstown |
MD |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2019-02-04 |
|
| 667-259
| 6 |
Reisterstown |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-259
| 7 |
Reisterstown |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-259
| 8 |
Reisterstown |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-259
| 9 |
Reisterstown |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-260
| A |
Baltimore |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
|
|
| 667-260
| 0 |
Baltimore |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2025-01-06 |
|
| 667-260
| 1 |
Baltimore |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2025-01-06 |
|
| 667-260
| 2 |
Baltimore |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2017-06-30 |
|
| 667-260
| 3 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-09-19 |
|
| 667-260
| 4 |
Baltimore |
MD |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2017-10-02 |
|
| 667-260
| 5 |
Baltimore |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2017-10-01 |
|
| 667-260
| 6 |
Baltimore |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-02-12 |
|
| 667-260
| 7 |
Baltimore |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-08-12 |
|
| 667-260
| 8 |
Baltimore |
MD |
BLTMMDCHDMD |
551G NUSO, LLC |
238 |
|
2016-04-01 |
|
<< 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 >>
Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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