Local Calling Guide
Area code/prefix search
Austin, TX
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 737-254
| 3 |
|
321J HD CARRIER LLC |
558 |
|
2025-07-19 |
|
| 737-254
| 4 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2025-08-18 |
|
| 737-254
| 5 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-09-06 |
|
| 737-254
| 6 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2025-07-21 |
|
| 737-254
| 7 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-09-06 |
|
| 737-254
| 8 |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2025-06-30 |
|
| 737-254
| 9 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-09-06 |
|
| 737-255
| A |
AUSTTXGR50Z |
114J EXIANT COMMUNICATIONS LLC |
558 |
|
|
|
| 737-255
| 0 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2019-07-22 |
|
| 737-255
| 1 |
AUSTTXGR50Z |
114J EXIANT COMMUNICATIONS LLC |
558 |
|
2019-04-22 |
|
| 737-255
| 2 |
AUSUTX78AMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2019-08-12 |
|
| 737-255
| 3 |
AUSTTXUH5MD |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
2020-04-14 |
|
| 737-255
| 4 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2019-05-20 |
|
| 737-255
| 5 |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2019-04-23 |
|
| 737-255
| 6 |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2019-04-23 |
|
| 737-255
| 7 |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2019-04-23 |
|
| 737-255
| 8 |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2019-04-23 |
|
| 737-255
| 9 |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2019-04-23 |
|
| 737-256
| A |
AUSUTX78AMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
|
|
| 737-256
| 0 |
AUSUTX78AMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2019-04-18 |
|
| 737-256
| 1 |
AUSUTX78AMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2019-04-18 |
|
| 737-256
| 2 |
AUSUTX78AMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2019-04-18 |
|
| 737-256
| 3 |
AUSTTXEE7MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
558 |
|
2019-12-21 |
|
| 737-256
| 4 |
AUSTTXEE7MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
558 |
|
2019-12-21 |
|
| 737-256
| 5 |
AUSTTXEE7MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
558 |
|
2019-12-21 |
|
| 737-256
| 6 |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2019-12-23 |
|
| 737-256
| 7 |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2019-12-23 |
|
| 737-256
| 8 |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2020-01-05 |
|
| 737-256
| 9 |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2020-01-05 |
|
| 737-261
| A |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
|
|
| 737-261
| 0 |
AUSTTXUH5MD |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
2019-12-07 |
|
| 737-261
| 1 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2019-12-07 |
|
| 737-261
| 2 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2019-12-06 |
|
| 737-261
| 3 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2019-12-06 |
|
| 737-261
| 4 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2019-12-06 |
|
| 737-261
| 5 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2019-12-06 |
|
| 737-261
| 6 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2019-12-06 |
|
| 737-261
| 7 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2019-12-06 |
|
| 737-261
| 8 |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2019-12-06 |
|
| 737-261
| 9 |
AUSTTXUH5MD |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
2019-12-07 |
|
| 737-262
| A |
AUSUTX78AMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
|
|
| 737-262
| 0 |
AUSUTX78AMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2019-12-15 |
|
| 737-262
| 1 |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2020-08-11 |
|
| 737-262
| 2 |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2020-08-11 |
|
| 737-262
| 3 |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2020-08-11 |
|
| 737-262
| 4 |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2020-08-11 |
|
| 737-262
| 5 |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2020-08-11 |
|
| 737-262
| 6 |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2020-08-11 |
|
| 737-262
| 7 |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2020-08-11 |
|
| 737-262
| 8 |
AUSUTXNIGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2020-08-11 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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