Local Calling Guide
Area code/prefix search
Baltimore, MD
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 667-250
| A |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
|
|
| 667-250
| 6 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2018-07-30 |
|
| 667-258
| A |
BLTQMD017MD |
996H AIRESPRING, INC. |
238 |
|
|
|
| 667-258
| 0 |
BLTQMD017MD |
996H AIRESPRING, INC. |
238 |
|
2018-12-29 |
|
| 667-258
| 1 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 2 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 3 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 4 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 5 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 6 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 7 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 8 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-258
| 9 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-04-12 |
|
| 667-260
| A |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
|
|
| 667-260
| 2 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2017-06-30 |
|
| 667-260
| 3 |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-09-19 |
|
| 667-260
| 4 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2017-10-02 |
|
| 667-260
| 5 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2017-10-01 |
|
| 667-260
| 6 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-02-12 |
|
| 667-260
| 7 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-08-12 |
|
| 667-260
| 8 |
BLTMMDCHDMD |
551G NUSO, LLC |
238 |
|
2016-04-01 |
|
| 667-260
| 9 |
|
515J IP HORIZON LLC |
238 |
|
2016-05-31 |
|
| 667-262
| A |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
|
|
| 667-262
| 0 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-08-12 |
|
| 667-262
| 1 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-11-08 |
|
| 667-262
| 2 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2019-08-12 |
|
| 667-262
| 3 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2020-07-08 |
|
| 667-262
| 4 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2020-07-08 |
|
| 667-262
| 5 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2020-06-12 |
|
| 667-262
| 6 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2019-11-17 |
|
| 667-262
| 7 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2019-11-17 |
|
| 667-262
| 8 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2020-07-08 |
|
| 667-262
| 9 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-09-28 |
|
| 667-284
| A |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
| 667-284
| 0 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2020-09-20 |
|
| 667-284
| 1 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2020-09-20 |
|
| 667-284
| 2 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2020-09-20 |
|
| 667-284
| 3 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2020-09-20 |
|
| 667-284
| 4 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2020-09-20 |
|
| 667-284
| 5 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2020-09-20 |
|
| 667-284
| 6 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2020-09-20 |
|
| 667-284
| 7 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-11-12 |
|
| 667-284
| 8 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-09-28 |
|
| 667-284
| 9 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-09-28 |
|
| 667-290
| A |
BLTMMDCHXHX |
515J IP HORIZON LLC |
238 |
|
|
|
| 667-290
| 0 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-11-01 |
|
| 667-290
| 1 |
|
515J IP HORIZON LLC |
238 |
|
2020-10-31 |
|
| 667-290
| 2 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-11-01 |
|
| 667-290
| 3 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-11-01 |
|
| 667-290
| 4 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-11-01 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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