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 |
| 667-415
| 5 |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-05-14 |
|
| 667-415
| 6 |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-09-30 |
|
| 667-415
| 7 |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2023-09-30 |
|
| 667-415
| 8 |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-12-11 |
|
| 667-415
| 9 |
Aberdeen |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-12-11 |
|
| 667-416
| A |
Essex |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
|
|
| 667-416
| 0 |
Essex |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-12-22 |
|
| 667-416
| 1 |
Essex |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-12-22 |
|
| 667-416
| 2 |
Essex |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2023-04-05 |
|
| 667-416
| 3 |
Essex |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2023-04-05 |
|
| 667-416
| 4 |
Essex |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2023-04-05 |
|
| 667-416
| 5 |
Essex |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2023-04-05 |
|
| 667-416
| 6 |
Essex |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2023-04-05 |
|
| 667-416
| 7 |
Essex |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2023-04-05 |
|
| 667-416
| 8 |
Essex |
MD |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
238 |
|
2023-04-05 |
|
| 667-416
| 9 |
Essex |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-02-05 |
|
| 667-417
| A |
Glen Burnie |
MD |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
|
|
| 667-417
| 0 |
Glen Burnie |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-12-29 |
|
| 667-417
| 1 |
Glen Burnie |
MD |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-12-29 |
|
| 667-417
| 2 |
Glen Burnie |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-11-17 |
|
| 667-417
| 3 |
Glen Burnie |
MD |
|
490J DISH WIRELESS, LLC |
238 |
|
2025-01-19 |
|
| 667-417
| 4 |
Glen Burnie |
MD |
|
490J DISH WIRELESS, LLC |
238 |
|
2025-03-24 |
|
| 667-417
| 5 |
Glen Burnie |
MD |
|
490J DISH WIRELESS, LLC |
238 |
|
2025-05-26 |
|
| 667-417
| 6 |
Glen Burnie |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-25 |
|
| 667-417
| 7 |
Glen Burnie |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-25 |
|
| 667-417
| 8 |
Glen Burnie |
MD |
|
490J DISH WIRELESS, LLC |
238 |
|
2023-03-13 |
|
| 667-417
| 9 |
Glen Burnie |
MD |
|
490J DISH WIRELESS, LLC |
238 |
|
2023-07-01 |
|
| 667-418
| A |
Greensboro |
MD |
SLBRMDSBXLX |
318J COMCAST IP PHONE, LLC |
242 |
|
|
|
| 667-418
| 4 |
Greensboro |
MD |
|
318J COMCAST IP PHONE, LLC |
242 |
|
2022-12-11 |
|
| 667-418
| 7 |
Greensboro |
MD |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
242 |
|
2022-12-12 |
|
| 667-419
| A |
Catonsville |
MD |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
|
|
| 667-419
| 0 |
Catonsville |
MD |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-02-05 |
|
| 667-419
| 1 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-04-01 |
|
| 667-419
| 2 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-04-01 |
|
| 667-419
| 3 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-04-01 |
|
| 667-419
| 4 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-04-01 |
|
| 667-419
| 5 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-04-01 |
|
| 667-419
| 6 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-04-01 |
|
| 667-419
| 7 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-04-01 |
|
| 667-419
| 8 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-01-08 |
|
| 667-419
| 9 |
Catonsville |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2023-01-08 |
|
| 667-420
| A |
Federalsburg |
MD |
SLBRMD908MD |
490J DISH WIRELESS, LLC |
242 |
|
|
|
| 667-420
| 9 |
Federalsburg |
MD |
|
490J DISH WIRELESS, LLC |
242 |
|
2023-01-26 |
|
| 667-421
| A |
Columbia |
MD |
BLTMMDCHX7X |
073H TELNYX LLC |
238 |
|
|
|
| 667-421
| 0 |
Columbia |
MD |
|
490J DISH WIRELESS, LLC |
238 |
|
2024-01-21 |
|
| 667-421
| 1 |
Columbia |
MD |
|
490J DISH WIRELESS, LLC |
238 |
|
2024-04-26 |
|
| 667-421
| 2 |
Columbia |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-25 |
|
| 667-421
| 3 |
Columbia |
MD |
|
876D ONVOY, LLC - MD |
238 |
|
2024-02-25 |
|
| 667-421
| 4 |
Columbia |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-12-23 |
|
| 667-421
| 5 |
Columbia |
MD |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2024-12-23 |
|
<< 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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