Local Calling Guide
Area code/prefix search
Herndon, VA
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 571-446
| 4 |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2014-09-29 |
|
| 571-446
| 5 |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2014-10-06 |
|
| 571-446
| 6 |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2015-08-22 |
|
| 571-446
| 7 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2014-09-30 |
|
| 571-446
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2014-09-30 |
|
| 571-446
| 9 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2014-09-30 |
|
| 571-449
| A |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
|
|
| 571-449
| 0 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2008-11-16 |
|
| 571-449
| 1 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2008-11-16 |
|
| 571-449
| 2 |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2010-04-02 |
|
| 571-449
| 3 |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2009-10-16 |
|
| 571-449
| 4 |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2009-01-05 |
|
| 571-449
| 5 |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2008-11-17 |
|
| 571-449
| 6 |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2009-02-14 |
|
| 571-449
| 7 |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2009-02-14 |
|
| 571-449
| 8 |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2008-12-09 |
|
| 571-449
| 9 |
|
829J PAETEC ITEL, LLC |
236 |
|
2010-09-02 |
|
| 571-464
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-464
| 0 |
|
138E ONVOY, LLC - VA |
236 |
|
2019-11-26 |
|
| 571-464
| 1 |
|
138E ONVOY, LLC - VA |
236 |
|
2019-11-26 |
|
| 571-464
| 2 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2019-12-14 |
|
| 571-464
| 3 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2019-12-14 |
|
| 571-464
| 4 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2019-12-14 |
|
| 571-464
| 5 |
|
275G PEERLESS NETWORK OF VIRGINIA, LLC - VA |
236 |
|
2020-03-04 |
|
| 571-464
| 6 |
|
138E ONVOY, LLC - VA |
236 |
|
2019-11-26 |
|
| 571-464
| 7 |
|
138E ONVOY, LLC - VA |
236 |
|
2019-11-26 |
|
| 571-464
| 8 |
|
138E ONVOY, LLC - VA |
236 |
|
2019-11-26 |
|
| 571-464
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2019-11-11 |
|
| 571-471
| A |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
| 571-471
| 0 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2009-05-19 |
|
| 571-471
| 1 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2009-05-19 |
|
| 571-471
| 2 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2009-06-09 |
|
| 571-471
| 3 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2009-06-09 |
|
| 571-471
| 4 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2009-06-09 |
|
| 571-471
| 5 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2009-06-23 |
|
| 571-471
| 6 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2009-06-23 |
|
| 571-471
| 7 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2009-06-23 |
|
| 571-471
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2009-12-18 |
|
| 571-471
| 9 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2009-12-18 |
|
| 571-484
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-484
| 0 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-12-04 |
|
| 571-484
| 1 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-10-08 |
|
| 571-484
| 2 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-02-08 |
|
| 571-484
| 3 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-03-11 |
|
| 571-484
| 4 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-01-11 |
|
| 571-484
| 5 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-01-11 |
|
| 571-484
| 6 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-11-25 |
|
| 571-484
| 7 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-11-13 |
|
| 571-484
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-11-11 |
|
| 571-484
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-11-11 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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