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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-421
| 4 |
Columbia |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-12-23 |
|
| 667-421
| 5 |
Columbia |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-12-23 |
|
| 667-421
| 6 |
Columbia |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-12-23 |
|
| 667-421
| 7 |
Columbia |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-06-26 |
|
| 667-421
| 8 |
Columbia |
MD |
BLTMMDCHX7X |
073H TELNYX LLC |
238 |
|
2023-04-24 |
|
| 667-421
| 9 |
Columbia |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-06-26 |
|
| 667-422
| A |
Baltimore |
MD |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
|
|
| 667-422
| 0 |
Baltimore |
MD |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2023-02-21 |
|
| 667-422
| 1 |
Baltimore |
MD |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2023-02-21 |
|
| 667-422
| 2 |
Baltimore |
MD |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2023-02-21 |
|
| 667-422
| 3 |
Baltimore |
MD |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2023-02-21 |
|
| 667-422
| 4 |
Baltimore |
MD |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2023-02-21 |
|
| 667-422
| 5 |
Baltimore |
MD |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2023-02-21 |
|
| 667-422
| 6 |
Baltimore |
MD |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2023-02-21 |
|
| 667-422
| 7 |
Baltimore |
MD |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2023-02-21 |
|
| 667-422
| 8 |
Baltimore |
MD |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2023-02-21 |
|
| 667-422
| 9 |
Baltimore |
MD |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2023-02-21 |
|
| 667-423
| A |
Annapolis |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
|
|
| 667-423
| 0 |
Annapolis |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-02-19 |
|
| 667-423
| 1 |
Annapolis |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-02-19 |
|
| 667-423
| 2 |
Annapolis |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2024-02-19 |
|
| 667-423
| 3 |
Annapolis |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2025-08-15 |
|
| 667-423
| 4 |
Annapolis |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2025-09-26 |
|
| 667-423
| 5 |
Annapolis |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-06-16 |
|
| 667-423
| 6 |
Annapolis |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-02-23 |
|
| 667-423
| 7 |
Annapolis |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-02-23 |
|
| 667-423
| 8 |
Annapolis |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-02-23 |
|
| 667-423
| 9 |
Annapolis |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-02-20 |
|
| 667-424
| A |
Odenton |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
|
|
| 667-424
| 0 |
Odenton |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-424
| 1 |
Odenton |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2023-04-01 |
|
| 667-424
| 2 |
Odenton |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2023-04-01 |
|
| 667-424
| 3 |
Odenton |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2023-04-01 |
|
| 667-424
| 4 |
Odenton |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2023-04-01 |
|
| 667-424
| 5 |
Odenton |
MD |
BLTMMDCHXNX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2023-04-01 |
|
| 667-424
| 6 |
Odenton |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-424
| 7 |
Odenton |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-424
| 8 |
Odenton |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-424
| 9 |
Odenton |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-425
| A |
Baltimore |
MD |
BLTMMDSNLMD |
732J NUSO, LLC |
238 |
|
|
|
| 667-425
| 0 |
Baltimore |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-05-06 |
|
| 667-425
| 1 |
Baltimore |
MD |
BLTMMDSNLMD |
732J NUSO, LLC |
238 |
|
2023-04-03 |
|
| 667-425
| 2 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-05-17 |
|
| 667-425
| 3 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-05-17 |
|
| 667-425
| 4 |
Baltimore |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-05-17 |
|
| 667-425
| 5 |
Baltimore |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-06-16 |
|
| 667-425
| 6 |
Baltimore |
MD |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-06-16 |
|
| 667-425
| 7 |
Baltimore |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-05-06 |
|
| 667-425
| 8 |
Baltimore |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-05-06 |
|
| 667-425
| 9 |
Baltimore |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-05-06 |
|
<< 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 >>
Last updated: Sun, 17 May 2026 03:26:51 UTC
Sponsored by: BeeVox - Whitelabel Reseller Platform
Like this site? We accept donations via PayPal.