Local Calling Guide
Area code/prefix search
Crofton, MD
<< 1 2
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 443-584
| 3 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2014-06-06 |
|
| 443-584
| 4 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2014-07-20 |
|
| 443-584
| 5 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-05-21 |
|
| 443-584
| 6 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-05-21 |
|
| 443-584
| 7 |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2014-06-25 |
|
| 443-584
| 8 |
|
515J IP HORIZON LLC |
238 |
|
2016-10-14 |
|
| 443-584
| 9 |
|
515J IP HORIZON LLC |
238 |
|
2015-03-21 |
|
| 667-295
| A |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
|
|
| 667-295
| 0 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-12-06 |
|
| 667-295
| 1 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-12-06 |
|
| 667-295
| 2 |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2018-12-07 |
|
| 667-295
| 3 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2023-08-10 |
|
| 667-295
| 4 |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-295
| 5 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2020-11-29 |
|
| 667-295
| 6 |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-05-02 |
|
| 667-295
| 7 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2019-02-19 |
|
| 667-295
| 8 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2019-02-19 |
|
| 667-295
| 9 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-12-06 |
|
| 667-307
| A |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
|
|
| 667-307
| 0 |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-06-08 |
|
| 667-307
| 1 |
BLTQMD01DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
238 |
|
2013-06-08 |
|
| 667-307
| 2 |
BLTMMDCHX7X |
073H TELNYX LLC |
238 |
|
2017-04-26 |
|
| 667-307
| 3 |
BLTQMD012MD |
964H BARR TELL USA, INC. |
238 |
|
2016-12-17 |
|
| 667-307
| 4 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2013-11-15 |
|
| 667-307
| 5 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-06-16 |
|
| 667-307
| 6 |
|
876D ONVOY, LLC - MD |
238 |
|
2024-03-03 |
|
| 667-307
| 7 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-23 |
|
| 667-307
| 8 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2016-03-23 |
|
| 667-307
| 9 |
|
515J IP HORIZON LLC |
238 |
|
2016-01-04 |
|
| 667-338
| A |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
|
|
| 667-338
| 0 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-01-27 |
|
| 667-338
| 1 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2022-01-27 |
|
| 667-338
| 2 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-10-31 |
|
| 667-338
| 3 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-10-31 |
|
| 667-338
| 4 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-10-31 |
|
| 667-338
| 5 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2022-11-28 |
|
| 667-338
| 6 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-02-12 |
|
| 667-338
| 7 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2022-02-12 |
|
| 667-338
| 8 |
BLTMMDCHXUX |
624H ONVOY SPECTRUM, LLC |
238 |
|
2021-11-01 |
|
| 667-338
| 9 |
BLTMMDCHXQX |
197D VONAGE AMERICA LLC |
238 |
|
2022-10-07 |
|
| 667-475
| A |
|
876D ONVOY, LLC - MD |
238 |
|
2024-05-12 |
|
| 667-475
| 0 |
|
876D ONVOY, LLC - MD |
238 |
|
2024-05-12 |
|
<< 1 2
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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