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 |
| 667-786
| 5 |
Columbia |
MD |
|
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2016-01-04 |
|
| 667-786
| 6 |
Columbia |
MD |
|
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2016-01-04 |
|
| 667-786
| 7 |
Columbia |
MD |
|
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2016-03-14 |
|
| 667-786
| 8 |
Columbia |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-02-06 |
|
| 667-786
| 9 |
Columbia |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2016-02-06 |
|
| 667-788
| A |
Westminster |
MD |
BLTMMD91DS2 |
2596 QUANTUM TELECOMMUNICATIONS, INC. - MD |
238 |
|
|
|
| 667-788
| 0 |
Westminster |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2021-12-16 |
|
| 667-788
| 1 |
Westminster |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2021-12-16 |
|
| 667-788
| 2 |
Westminster |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2021-12-19 |
|
| 667-788
| 3 |
Westminster |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2022-06-07 |
|
| 667-788
| 4 |
Westminster |
MD |
|
490J DISH WIRELESS, LLC |
238 |
|
2022-12-20 |
|
| 667-788
| 6 |
Westminster |
MD |
|
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-01-15 |
|
| 667-788
| 7 |
Westminster |
MD |
|
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-01-15 |
|
| 667-788
| 8 |
Westminster |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2022-05-09 |
|
| 667-788
| 9 |
Westminster |
MD |
|
2596 QUANTUM TELECOMMUNICATIONS, INC. - MD |
238 |
|
2021-12-06 |
|
| 667-800
| A |
Salisbury |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
|
|
| 667-800
| 0 |
Salisbury |
MD |
|
876D ONVOY, LLC - MD |
242 |
|
2016-09-30 |
|
| 667-800
| 1 |
Salisbury |
MD |
|
876D ONVOY, LLC - MD |
242 |
|
2016-09-30 |
|
| 667-800
| 2 |
Salisbury |
MD |
|
876D ONVOY, LLC - MD |
242 |
|
2016-09-30 |
|
| 667-800
| 3 |
Salisbury |
MD |
|
551G NUSO, LLC |
242 |
|
2018-11-07 |
|
| 667-800
| 4 |
Salisbury |
MD |
|
551G NUSO, LLC |
242 |
|
2018-11-07 |
|
| 667-800
| 5 |
Salisbury |
MD |
|
551G NUSO, LLC |
242 |
|
2018-11-07 |
|
| 667-800
| 6 |
Salisbury |
MD |
|
551G NUSO, LLC |
242 |
|
2018-11-07 |
|
| 667-800
| 7 |
Salisbury |
MD |
|
551G NUSO, LLC |
242 |
|
2018-11-07 |
|
| 667-800
| 8 |
Salisbury |
MD |
|
551G NUSO, LLC |
242 |
|
2018-11-07 |
|
| 667-800
| 9 |
Salisbury |
MD |
|
551G NUSO, LLC |
242 |
|
2018-11-07 |
|
| 667-802
| A |
Catonsville |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
| 667-802
| 0 |
Catonsville |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-07-23 |
|
| 667-802
| 1 |
Catonsville |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-01-21 |
|
| 667-802
| 2 |
Catonsville |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-03-03 |
|
| 667-802
| 3 |
Catonsville |
MD |
|
964H BARR TELL USA, INC. |
238 |
|
2016-12-17 |
|
| 667-802
| 4 |
Catonsville |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-03-03 |
|
| 667-802
| 5 |
Catonsville |
MD |
|
318J COMCAST IP PHONE, LLC |
238 |
|
2016-12-15 |
|
| 667-802
| 6 |
Catonsville |
MD |
|
073H TELNYX LLC |
238 |
|
2017-03-14 |
|
| 667-802
| 7 |
Catonsville |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2019-09-13 |
|
| 667-802
| 8 |
Catonsville |
MD |
|
939H COMMIO, LLC |
238 |
|
2016-05-31 |
|
| 667-802
| 9 |
Catonsville |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2015-04-20 |
|
| 667-803
| A |
Solomons |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
|
|
| 667-803
| 0 |
Solomons |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2013-10-13 |
|
| 667-803
| 1 |
Solomons |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-04-04 |
|
| 667-803
| 2 |
Solomons |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-04-04 |
|
| 667-803
| 3 |
Solomons |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2016-03-09 |
|
| 667-803
| 4 |
Solomons |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2016-07-16 |
|
| 667-803
| 6 |
Solomons |
MD |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2024-09-12 |
|
| 667-803
| 7 |
Solomons |
MD |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2024-02-15 |
|
| 667-803
| 8 |
Solomons |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2018-08-16 |
|
| 667-803
| 9 |
Solomons |
MD |
|
073H TELNYX LLC |
238 |
|
2017-04-26 |
|
| 667-808
| A |
Easton |
MD |
SLBRMD90DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
242 |
|
|
|
| 667-808
| 0 |
Easton |
MD |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
242 |
|
2016-10-14 |
|
| 667-808
| 1 |
Easton |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2025-04-08 |
|
<< 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
Sponsored by: Callcentric - VoIP Internet phone service
Like this site? We accept donations via PayPal.