Local Calling Guide
Area code/prefix search
NPA: 737
[Rate centres in NPA 737]
[Dial plan for NPA 737]
<< 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 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 737-399
| 9 |
Austin |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2024-11-28 |
|
| 737-400
| A |
Austin |
TX |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
|
|
| 737-400
| 0 |
Austin |
TX |
|
903C ONVOY, LLC - TX |
558 |
|
2015-12-10 |
|
| 737-400
| 1 |
Austin |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2015-12-11 |
|
| 737-400
| 2 |
Austin |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2015-12-11 |
|
| 737-400
| 3 |
Austin |
TX |
|
5562 METROPCS, INC. |
558 |
|
2016-08-18 |
|
| 737-400
| 4 |
Austin |
TX |
|
903C ONVOY, LLC - TX |
558 |
|
2015-12-10 |
|
| 737-400
| 5 |
Austin |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2016-08-18 |
|
| 737-400
| 6 |
Austin |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2016-08-18 |
|
| 737-400
| 7 |
Austin |
TX |
|
5562 METROPCS, INC. |
558 |
|
2016-08-18 |
|
| 737-400
| 8 |
Austin |
TX |
|
5562 METROPCS, INC. |
558 |
|
2016-08-18 |
|
| 737-400
| 9 |
Austin |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2016-08-18 |
|
| 737-401
| A |
Austin |
TX |
AUSTTXGR09Z |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
|
|
| 737-401
| 0 |
Austin |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 1 |
Austin |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 2 |
Austin |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 3 |
Austin |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 4 |
Austin |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 5 |
Austin |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 6 |
Austin |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 7 |
Austin |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 8 |
Austin |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-401
| 9 |
Austin |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2016-12-02 |
|
| 737-402
| A |
Austin |
TX |
AUSTTXGRX3Y |
073H TELNYX LLC |
558 |
|
|
|
| 737-402
| 0 |
Austin |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2017-04-22 |
|
| 737-402
| 1 |
Austin |
TX |
|
073H TELNYX LLC |
558 |
|
2017-01-23 |
|
| 737-402
| 2 |
Austin |
TX |
|
903C ONVOY, LLC - TX |
558 |
|
2017-06-25 |
|
| 737-402
| 3 |
Austin |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2017-01-27 |
|
| 737-402
| 4 |
Austin |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2017-02-10 |
|
| 737-402
| 5 |
Austin |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2017-02-10 |
|
| 737-402
| 6 |
Austin |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
2017-03-06 |
|
| 737-402
| 7 |
Austin |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
2017-03-19 |
|
| 737-402
| 8 |
Austin |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
558 |
|
2017-03-19 |
|
| 737-402
| 9 |
Austin |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2017-04-22 |
|
| 737-403
| A |
Georgetown |
TX |
AUSUTX78AMD |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-01-18 |
|
| 737-403
| 0 |
Georgetown |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-01-18 |
|
| 737-403
| 1 |
Georgetown |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-01-18 |
|
| 737-403
| 2 |
Georgetown |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-01-18 |
|
| 737-403
| 3 |
Georgetown |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-01-18 |
|
| 737-403
| 4 |
Georgetown |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-09-26 |
|
| 737-403
| 5 |
Georgetown |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-06-20 |
|
| 737-403
| 6 |
Georgetown |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-06-20 |
|
| 737-403
| 8 |
Georgetown |
TX |
|
903C ONVOY, LLC - TX |
558 |
|
2025-02-02 |
|
| 737-403
| 9 |
Georgetown |
TX |
|
903C ONVOY, LLC - TX |
558 |
|
2025-05-03 |
|
| 737-404
| A |
Kyle |
TX |
AUSXTXZR0MD |
793K TWC IP ENABLED SERVICES, LLC |
558 |
|
2025-01-29 |
|
| 737-404
| 0 |
Kyle |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
558 |
|
2015-11-19 |
|
| 737-404
| 1 |
Kyle |
TX |
|
903C ONVOY, LLC - TX |
558 |
|
2016-03-14 |
|
| 737-404
| 2 |
Kyle |
TX |
|
903C ONVOY, LLC - TX |
558 |
|
2016-03-14 |
|
| 737-404
| 3 |
Kyle |
TX |
|
903C ONVOY, LLC - TX |
558 |
|
2016-04-04 |
|
| 737-404
| 4 |
Kyle |
TX |
|
903C ONVOY, LLC - TX |
558 |
|
2016-04-04 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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