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 |
| 667-251
| 3 |
Towson |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2015-02-14 |
|
| 667-251
| 4 |
Towson |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2015-02-14 |
|
| 667-251
| 5 |
Towson |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2015-02-14 |
|
| 667-251
| 6 |
Towson |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2015-02-14 |
|
| 667-251
| 7 |
Towson |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2015-02-14 |
|
| 667-251
| 8 |
Towson |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2015-02-14 |
|
| 667-251
| 9 |
Towson |
MD |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2015-02-14 |
|
| 667-252
| A |
Salisbury |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
|
|
| 667-252
| 0 |
Salisbury |
MD |
|
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
242 |
|
2025-06-06 |
|
| 667-252
| 2 |
Salisbury |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-10-23 |
|
| 667-252
| 3 |
Salisbury |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-10-23 |
|
| 667-252
| 4 |
Salisbury |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-10-23 |
|
| 667-252
| 5 |
Salisbury |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-10-23 |
|
| 667-252
| 6 |
Salisbury |
MD |
SLBRMDSBX0X |
624H ONVOY SPECTRUM, LLC |
242 |
|
2018-07-30 |
|
| 667-252
| 7 |
Salisbury |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-10-23 |
|
| 667-252
| 8 |
Salisbury |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-10-23 |
|
| 667-252
| 9 |
Salisbury |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-10-23 |
|
| 667-253
| A |
Salisbury |
MD |
SLBRMDSBAMD |
551G NUSO, LLC |
242 |
|
|
|
| 667-253
| 1 |
Salisbury |
MD |
SLBRMDSBAMD |
551G NUSO, LLC |
242 |
|
2013-05-08 |
|
| 667-253
| 2 |
Salisbury |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2017-12-18 |
|
| 667-253
| 3 |
Salisbury |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2017-12-18 |
|
| 667-253
| 4 |
Salisbury |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 667-253
| 5 |
Salisbury |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-03-22 |
|
| 667-253
| 6 |
Salisbury |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-03-22 |
|
| 667-253
| 7 |
Salisbury |
MD |
SLBRMDSCXMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
242 |
|
2019-02-07 |
|
| 667-253
| 8 |
Salisbury |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-10-23 |
|
| 667-253
| 9 |
Salisbury |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2018-10-23 |
|
| 667-254
| A |
Chestertown |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
|
|
| 667-254
| 0 |
Chestertown |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2024-05-23 |
|
| 667-254
| 2 |
Chestertown |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 667-254
| 3 |
Chestertown |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 667-254
| 4 |
Chestertown |
MD |
ESTNMDES5MD |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
242 |
|
2020-10-04 |
|
| 667-254
| 5 |
Chestertown |
MD |
SLBRMD901MD |
939H COMMIO, LLC |
242 |
|
2022-08-21 |
|
| 667-254
| 6 |
Chestertown |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 667-254
| 7 |
Chestertown |
MD |
SLBRMD90DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 667-254
| 8 |
Chestertown |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2019-03-04 |
|
| 667-254
| 9 |
Chestertown |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2019-03-04 |
|
| 667-255
| A |
Hillsboro |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
|
|
| 667-255
| 0 |
Hillsboro |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2018-10-13 |
|
| 667-255
| 1 |
Hillsboro |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2019-03-04 |
|
| 667-255
| 2 |
Hillsboro |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2019-03-04 |
|
| 667-255
| 3 |
Hillsboro |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 667-255
| 4 |
Hillsboro |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 667-255
| 6 |
Hillsboro |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 667-255
| 8 |
Hillsboro |
MD |
SLBRMDSBXVX |
876D ONVOY, LLC - MD |
242 |
|
2021-04-29 |
|
| 667-255
| 9 |
Hillsboro |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
242 |
|
2019-05-02 |
|
| 667-256
| A |
Aberdeen |
MD |
BLTMMDCHXWX |
114J EXIANT COMMUNICATIONS LLC |
236 |
|
|
|
| 667-256
| 0 |
Aberdeen |
MD |
|
515J IP HORIZON LLC |
236 |
|
2019-04-26 |
|
| 667-256
| 1 |
Aberdeen |
MD |
BLTMMDCHXWX |
114J EXIANT COMMUNICATIONS LLC |
236 |
|
2018-11-18 |
|
| 667-256
| 2 |
Aberdeen |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2020-08-07 |
|
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Last updated: Wed, 04 Mar 2026 03:00:52 UTC
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