Local Calling Guide
Area code/prefix search
Herndon, VA
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 571-387
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2018-07-16 |
|
| 571-387
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2018-07-16 |
|
| 571-387
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2018-07-16 |
|
| 571-387
| 7 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2018-07-28 |
|
| 571-387
| 8 |
|
145J TERRA NOVA TELECOM INC. |
236 |
|
2024-02-14 |
|
| 571-387
| 9 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2018-07-28 |
|
| 571-392
| A |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 571-392
| 0 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-12-09 |
|
| 571-392
| 1 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-12-09 |
|
| 571-392
| 2 |
|
829J PAETEC ITEL, LLC |
236 |
|
2011-12-07 |
|
| 571-392
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2011-10-27 |
|
| 571-392
| 4 |
|
829J PAETEC ITEL, LLC |
236 |
|
2011-12-07 |
|
| 571-392
| 5 |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2011-12-24 |
|
| 571-392
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2012-01-21 |
|
| 571-392
| 7 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2012-02-09 |
|
| 571-392
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-12-09 |
|
| 571-392
| 9 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2012-02-09 |
|
| 571-401
| A |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 571-401
| 0 |
|
073H TELNYX LLC |
236 |
|
2019-01-23 |
|
| 571-401
| 1 |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2019-06-06 |
|
| 571-401
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2018-12-30 |
|
| 571-401
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2018-12-30 |
|
| 571-401
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2018-12-30 |
|
| 571-401
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2018-12-30 |
|
| 571-401
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2018-12-30 |
|
| 571-401
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
236 |
|
2019-03-08 |
|
| 571-401
| 8 |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2019-05-25 |
|
| 571-401
| 9 |
|
275G PEERLESS NETWORK OF VIRGINIA, LLC - VA |
236 |
|
2019-07-10 |
|
| 571-426
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-426
| 0 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-426
| 1 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-426
| 2 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-426
| 3 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-426
| 4 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-426
| 5 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-426
| 6 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-426
| 7 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-10-11 |
|
| 571-426
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-426
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-430
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-430
| 0 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2020-03-09 |
|
| 571-430
| 1 |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2020-03-29 |
|
| 571-430
| 2 |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2020-03-29 |
|
| 571-430
| 3 |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2020-05-22 |
|
| 571-430
| 4 |
|
197D VONAGE AMERICA LLC |
236 |
|
2020-05-19 |
|
| 571-430
| 5 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-01-02 |
|
| 571-430
| 6 |
|
197D VONAGE AMERICA LLC |
236 |
|
2020-05-19 |
|
| 571-430
| 7 |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2020-08-10 |
|
| 571-430
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-01-02 |
|
| 571-430
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2020-03-08 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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