Local Calling Guide
Area code/prefix search
Herndon, VA
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 571-266
| 4 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2009-11-30 |
|
| 571-266
| 5 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2008-10-11 |
|
| 571-266
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2008-10-11 |
|
| 571-266
| 7 |
|
367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA |
236 |
|
2008-10-10 |
|
| 571-266
| 8 |
|
367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA |
236 |
|
2008-10-10 |
|
| 571-266
| 9 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2008-09-05 |
|
| 571-267
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-267
| 0 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2012-12-10 |
|
| 571-267
| 1 |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2011-10-11 |
|
| 571-267
| 2 |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2012-09-03 |
|
| 571-267
| 3 |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2012-09-03 |
|
| 571-267
| 4 |
|
7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA |
236 |
|
2012-09-03 |
|
| 571-267
| 5 |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2012-09-03 |
|
| 571-267
| 6 |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2011-11-07 |
|
| 571-267
| 7 |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2011-10-29 |
|
| 571-267
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-12-09 |
|
| 571-267
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2011-12-09 |
|
| 571-283
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-283
| 0 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-283
| 1 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2002-12-18 |
|
| 571-283
| 2 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-02-26 |
|
| 571-283
| 3 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-02-26 |
|
| 571-283
| 4 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-02-26 |
|
| 571-283
| 5 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-02-26 |
|
| 571-283
| 6 |
|
829J PAETEC ITEL, LLC |
236 |
|
2003-03-14 |
|
| 571-283
| 7 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-10-11 |
|
| 571-283
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-10-11 |
|
| 571-283
| 9 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2004-09-29 |
|
| 571-287
| A |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
|
|
| 571-287
| 0 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2008-06-05 |
|
| 571-287
| 1 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2008-06-05 |
|
| 571-287
| 2 |
|
138E ONVOY, LLC - VA |
236 |
|
2008-10-05 |
|
| 571-287
| 3 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2008-06-30 |
|
| 571-287
| 4 |
|
9213 VERIZON VIRGINIA, INC. |
236 |
|
2011-03-21 |
|
| 571-287
| 5 |
|
9213 VERIZON VIRGINIA, INC. |
236 |
|
2011-03-21 |
|
| 571-287
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2008-07-10 |
|
| 571-287
| 7 |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2008-07-22 |
|
| 571-287
| 8 |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2008-07-17 |
|
| 571-287
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2009-05-07 |
|
| 571-299
| A |
|
829J PAETEC ITEL, LLC |
236 |
|
2025-04-02 |
|
| 571-299
| 0 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-10-12 |
|
| 571-299
| 1 |
|
829J PAETEC ITEL, LLC |
236 |
|
2008-05-17 |
|
| 571-299
| 2 |
|
829J PAETEC ITEL, LLC |
236 |
|
2008-05-17 |
|
| 571-299
| 3 |
|
367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA |
236 |
|
2008-10-10 |
|
| 571-299
| 4 |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2010-08-12 |
|
| 571-299
| 5 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-10-12 |
|
| 571-299
| 6 |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2008-05-18 |
|
| 571-299
| 7 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-10-12 |
|
| 571-299
| 8 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2008-06-06 |
|
| 571-299
| 9 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2008-06-06 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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