Local Calling Guide
Area code/prefix search
Austin, TX
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 737-399
| A |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2024-11-28 |
|
| 737-399
| 0 |
|
321J HD CARRIER LLC |
558 |
|
2025-07-19 |
|
| 737-399
| 1 |
|
321J HD CARRIER LLC |
558 |
|
2025-07-19 |
|
| 737-399
| 2 |
|
903C ONVOY, LLC - TX |
558 |
|
2025-07-19 |
|
| 737-399
| 3 |
|
903C ONVOY, LLC - TX |
558 |
|
2025-07-19 |
|
| 737-399
| 4 |
|
903C ONVOY, LLC - TX |
558 |
|
2025-07-19 |
|
| 737-399
| 5 |
|
903C ONVOY, LLC - TX |
558 |
|
2025-07-19 |
|
| 737-399
| 6 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-09-06 |
|
| 737-399
| 7 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2024-11-28 |
|
| 737-399
| 8 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-09-06 |
|
| 737-399
| 9 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2024-11-28 |
|
| 737-400
| A |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
|
|
| 737-400
| 0 |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2015-12-10 |
|
| 737-400
| 1 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2015-12-11 |
|
| 737-400
| 2 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2015-12-11 |
|
| 737-400
| 3 |
AUSWTXGXBMD |
5562 METROPCS, INC. |
558 |
|
2016-08-18 |
|
| 737-400
| 4 |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2015-12-10 |
|
| 737-400
| 5 |
AUSYTXFC1MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2016-08-18 |
|
| 737-400
| 6 |
AUSYTXFC1MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2016-08-18 |
|
| 737-400
| 7 |
AUSWTXGXBMD |
5562 METROPCS, INC. |
558 |
|
2016-08-18 |
|
| 737-400
| 8 |
AUSWTXGXBMD |
5562 METROPCS, INC. |
558 |
|
2016-08-18 |
|
| 737-400
| 9 |
AUSYTXFC1MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2016-08-18 |
|
| 737-401
| A |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
|
|
| 737-401
| 0 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 1 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 2 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 3 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 4 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 5 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 6 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 7 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 8 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 9 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-402
| A |
AUSTTXGRX3Y |
073H TELNYX LLC |
558 |
|
|
|
| 737-402
| 0 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2017-04-22 |
|
| 737-402
| 1 |
AUSTTXGRX3Y |
073H TELNYX LLC |
558 |
|
2017-01-23 |
|
| 737-402
| 2 |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2017-06-25 |
|
| 737-402
| 3 |
AUSTTXGRDS7 |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2017-01-27 |
|
| 737-402
| 4 |
AUSTTXGRDS7 |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2017-02-10 |
|
| 737-402
| 5 |
AUSTTXGRDS7 |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2017-02-10 |
|
| 737-402
| 6 |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
2017-03-06 |
|
| 737-402
| 7 |
AUSTTXUH5MD |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
2017-03-19 |
|
| 737-402
| 8 |
AUSTTXUH5MD |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
2017-03-19 |
|
| 737-402
| 9 |
AUSWTXGXBMD |
6529 T-MOBILE USA, INC. |
558 |
|
2017-04-22 |
|
| 737-406
| A |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-02-08 |
|
| 737-406
| 0 |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2025-02-10 |
|
| 737-406
| 1 |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2025-02-10 |
|
| 737-406
| 2 |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2025-02-10 |
|
| 737-406
| 3 |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-02-08 |
|
| 737-406
| 4 |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-02-08 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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