Local Calling Guide
Area code/prefix search
Herndon, VA
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 571-612
| 1 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2010-11-09 |
|
| 571-612
| 2 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2010-11-17 |
|
| 571-612
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2010-11-17 |
|
| 571-612
| 4 |
|
7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA |
236 |
|
2010-12-10 |
|
| 571-612
| 5 |
|
829J PAETEC ITEL, LLC |
236 |
|
2010-11-09 |
|
| 571-612
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2011-01-11 |
|
| 571-612
| 7 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2011-01-25 |
|
| 571-612
| 8 |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2010-12-06 |
|
| 571-612
| 9 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2012-07-20 |
|
| 571-638
| A |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
| 571-638
| 0 |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2023-08-15 |
|
| 571-638
| 1 |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2023-08-15 |
|
| 571-638
| 2 |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2023-08-15 |
|
| 571-638
| 3 |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2023-08-15 |
|
| 571-638
| 4 |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2023-08-15 |
|
| 571-638
| 5 |
|
138E ONVOY, LLC - VA |
236 |
|
2023-08-24 |
|
| 571-638
| 6 |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2023-07-08 |
|
| 571-638
| 7 |
|
138E ONVOY, LLC - VA |
236 |
|
2023-08-24 |
|
| 571-638
| 8 |
|
138E ONVOY, LLC - VA |
236 |
|
2023-08-24 |
|
| 571-638
| 9 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-08-06 |
|
| 571-643
| A |
HRNDVADUDS1 |
9213 VERIZON VIRGINIA, INC. |
236 |
|
|
|
| 571-643
| 0 |
|
9213 VERIZON VIRGINIA, INC. |
236 |
|
|
|
| 571-643
| 1 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2003-09-03 |
|
| 571-643
| 2 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2003-09-03 |
|
| 571-643
| 3 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2003-09-03 |
|
| 571-643
| 4 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2003-09-03 |
|
| 571-643
| 5 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2003-09-03 |
|
| 571-643
| 6 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2003-08-09 |
|
| 571-643
| 7 |
|
9213 VERIZON VIRGINIA, INC. |
236 |
|
|
|
| 571-643
| 8 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2003-09-03 |
|
| 571-643
| 9 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2003-09-03 |
|
| 571-665
| A |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 571-665
| 0 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2016-11-15 |
|
| 571-665
| 1 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2016-11-15 |
|
| 571-665
| 2 |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2016-06-03 |
|
| 571-665
| 3 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-04-24 |
|
| 571-665
| 4 |
|
138E ONVOY, LLC - VA |
236 |
|
2015-06-14 |
|
| 571-665
| 5 |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2015-04-25 |
|
| 571-665
| 6 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-06-12 |
|
| 571-665
| 7 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-06-12 |
|
| 571-665
| 8 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2015-06-21 |
|
| 571-665
| 9 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2015-06-21 |
|
| 571-685
| A |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-685
| 0 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2018-12-07 |
|
| 571-685
| 1 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2022-01-13 |
|
| 571-685
| 2 |
|
597F VOIP INNOVATIONS, LLC |
236 |
|
2019-08-25 |
|
| 571-685
| 3 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2019-08-25 |
|
| 571-685
| 4 |
|
275G PEERLESS NETWORK OF VIRGINIA, LLC - VA |
236 |
|
2018-12-08 |
|
| 571-685
| 5 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2018-11-27 |
|
| 571-685
| 6 |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2019-08-06 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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