Local Calling Guide
Area code/prefix search
Severna Park, MD
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NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
410-975
| 0 |
SVPKMDSPDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-975
| 1 |
SVPKMDSPDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-975
| 2 |
SVPKMDSPDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-975
| 3 |
SVPKMDSPDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
410-975
| 4 |
BLTMMDCHW29 |
4716 PAETEC COMMUNICATIONS, INC. - MD |
238 |
|
2007-12-30 |
|
410-975
| 5 |
BLTMMDCHXFX |
318J COMCAST IP PHONE, LLC |
238 |
|
2007-01-19 |
|
410-975
| 6 |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2009-08-20 |
|
410-975
| 7 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2012-09-23 |
|
410-975
| 8 |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2008-11-17 |
|
410-975
| 9 |
SVPKMDSPDS0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
443-229
| A |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-229
| 0 |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-229
| 1 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2020-11-30 |
|
443-229
| 2 |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2009-02-12 |
|
443-229
| 3 |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-229
| 4 |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2009-08-20 |
|
443-229
| 5 |
BLTMMDCHXMX |
506J TWILIO INTERNATIONAL, INC. |
238 |
|
2020-12-26 |
|
443-229
| 6 |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2009-09-25 |
|
443-229
| 7 |
BLTMMDSNDS6 |
281E YMAX COMMUNICATIONS CORP. - MD |
238 |
|
2009-09-25 |
|
443-229
| 8 |
BLTMMDCHXQX |
197D VONAGE AMERICA LLC |
238 |
|
2022-10-07 |
|
443-229
| 9 |
HNVAMDBHAMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
238 |
|
|
|
443-261
| A |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
|
|
443-261
| 0 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2011-09-24 |
|
443-261
| 1 |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2002-04-17 |
|
443-261
| 2 |
CLMAMDJTAMD |
2589 US LEC OF MARYLAND, INC. |
238 |
|
2010-08-06 |
|
443-261
| 3 |
BLTOMDKHDS0 |
7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
238 |
|
2008-10-01 |
|
443-261
| 4 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-09-04 |
|
443-261
| 5 |
BLTMMDCH45Z |
071F BANDWIDTH.COM CLEC, LLC - MD |
238 |
|
2010-10-28 |
|
443-261
| 6 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2010-11-12 |
|
443-261
| 7 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2010-11-12 |
|
443-261
| 8 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2010-11-12 |
|
443-261
| 9 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2010-11-12 |
|
443-306
| A |
BLTMMDCH40Z |
6664 SPRINT SPECTRUM, L.P. |
238 |
|
|
|
443-306
| 0 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-306
| 1 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-306
| 2 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
2009-01-08 |
|
443-306
| 3 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-306
| 4 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-306
| 5 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-306
| 6 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-306
| 7 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-306
| 8 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-306
| 9 |
BLTMMDCH40Z |
5562 METROPCS, INC. |
238 |
|
|
|
443-344
| A |
BLTMMD91GT0 |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
|
|
443-346
| A |
BLTQMD01BMD |
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
|
|
443-346
| 0 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2021-04-19 |
|
443-346
| 1 |
BLTMMDCH42Z |
876D ONVOY, LLC - MD |
238 |
|
2021-05-21 |
|
443-346
| 2 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
238 |
|
2019-03-29 |
|
443-346
| 3 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2017-11-24 |
|
443-346
| 4 |
CLMAMDORGT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
238 |
|
2017-11-24 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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