Local Calling Guide
Area code/prefix search
North East, MD
1 2 >>
NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
410-287
| A |
NRTEMDNERS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-656
| A |
BLTMMDCH47Z |
420C ARMSTRONG TELECOMMUNICATIONS, INC. - MD |
238 |
|
|
|
410-656
| 0 |
BLTMMDCH47Z |
420C ARMSTRONG TELECOMMUNICATIONS, INC. - MD |
238 |
|
2008-08-04 |
|
410-656
| 1 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2012-06-23 |
|
410-656
| 2 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-01-09 |
|
410-656
| 3 |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2011-02-01 |
|
410-656
| 4 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-02-22 |
|
410-656
| 5 |
PIVLMDPKFMD |
9170 BROADVIEW NETWORKS, INC. - MD |
238 |
|
2009-05-08 |
|
410-656
| 6 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2012-10-07 |
|
410-656
| 7 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2014-01-02 |
|
410-656
| 8 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2014-03-15 |
|
410-656
| 9 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2008-12-11 |
|
443-256
| A |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
|
|
443-256
| 0 |
BLTMMDCHFMD |
5562 METROPCS, INC. |
238 |
|
2019-07-14 |
|
443-256
| 1 |
BLTMMDCH14Z |
2697 CTC COMMUNICATIONS CORP. - MD |
238 |
|
|
|
443-256
| 2 |
BLTMMDCHFMD |
5562 METROPCS, INC. |
238 |
|
2019-03-31 |
|
443-256
| 3 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2014-06-15 |
|
443-256
| 4 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2014-09-20 |
|
443-256
| 5 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2014-09-20 |
|
443-256
| 6 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2014-11-03 |
|
443-256
| 7 |
BLTMMDDN2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
238 |
|
2014-06-25 |
|
443-256
| 8 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2014-10-01 |
|
443-256
| 9 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2014-11-03 |
|
443-674
| A |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-674
| 0 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2006-05-26 |
|
443-674
| 1 |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2004-02-05 |
|
443-674
| 2 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2019-10-18 |
|
443-674
| 3 |
BLTMMDCHFMD |
5562 METROPCS, INC. |
238 |
|
2019-01-22 |
|
443-674
| 4 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2018-06-16 |
|
443-674
| 5 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2004-04-02 |
|
443-674
| 6 |
BLTMMDCHFMD |
5562 METROPCS, INC. |
238 |
|
2017-04-04 |
|
443-674
| 7 |
BLTMMDCHFMD |
5562 METROPCS, INC. |
238 |
|
2017-08-13 |
|
443-674
| 8 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2005-07-25 |
|
443-674
| 9 |
BLTMMDFMDS0 |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
|
|
443-715
| A |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
238 |
|
|
|
443-715
| 0 |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
238 |
|
|
|
443-715
| 2 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2016-10-19 |
|
443-715
| 3 |
BLARMDBL1MD |
7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD |
238 |
|
|
|
443-715
| 4 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-04-29 |
|
443-715
| 5 |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2024-02-15 |
|
443-715
| 6 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-04-29 |
|
443-715
| 7 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2008-05-16 |
|
443-715
| 8 |
BLTMMDCHXMX |
506J TWILIO INTERNATIONAL, INC. |
238 |
|
2020-12-26 |
|
443-877
| A |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-877
| 0 |
|
145J TERRA NOVA TELECOM INC. |
238 |
|
2021-01-28 |
|
443-877
| 1 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
2005-02-04 |
|
443-877
| 2 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2017-10-16 |
|
443-877
| 3 |
BLTMMDCHFMD |
5562 METROPCS, INC. |
238 |
|
2018-10-19 |
|
443-877
| 4 |
BLTMMDSN6MD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
238 |
|
|
|
443-877
| 5 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2015-02-13 |
|
1 2 >>
Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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