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 |
| 737-417
| 1 |
Liberty Hill |
TX |
|
515J IP HORIZON LLC |
558 |
|
2025-05-25 |
|
| 737-417
| 2 |
Liberty Hill |
TX |
|
515J IP HORIZON LLC |
558 |
|
2025-05-25 |
|
| 737-418
| A |
Austin |
TX |
|
903C ONVOY, LLC - TX |
558 |
|
2025-05-30 |
|
| 737-418
| 0 |
Austin |
TX |
|
903C ONVOY, LLC - TX |
558 |
|
2025-05-30 |
|
| 737-418
| 1 |
Austin |
TX |
|
903C ONVOY, LLC - TX |
558 |
|
2025-05-30 |
|
| 737-418
| 2 |
Austin |
TX |
|
903C ONVOY, LLC - TX |
558 |
|
2025-05-30 |
|
| 737-418
| 3 |
Austin |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-06-02 |
|
| 737-418
| 4 |
Austin |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-06-02 |
|
| 737-418
| 5 |
Austin |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-06-02 |
|
| 737-418
| 6 |
Austin |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-06-02 |
|
| 737-418
| 7 |
Austin |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-06-02 |
|
| 737-418
| 8 |
Austin |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
558 |
|
2025-06-02 |
|
| 737-418
| 9 |
Austin |
TX |
|
177F PEERLESS NETWORK OF TEXAS, LLC - TX |
558 |
|
2025-06-02 |
|
| 737-419
| A |
Austin |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-06-16 |
|
| 737-419
| 0 |
Austin |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-06-16 |
|
| 737-419
| 1 |
Austin |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-06-16 |
|
| 737-419
| 2 |
Austin |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-06-16 |
|
| 737-419
| 3 |
Austin |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-06-16 |
|
| 737-419
| 4 |
Austin |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-06-16 |
|
| 737-419
| 5 |
Austin |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-06-16 |
|
| 737-419
| 6 |
Austin |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-06-16 |
|
| 737-419
| 7 |
Austin |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-06-16 |
|
| 737-419
| 8 |
Austin |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-06-16 |
|
| 737-419
| 9 |
Austin |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-06-16 |
|
| 737-420
| A |
Austin |
TX |
AUSTTXGR38Z |
939H COMMIO, LLC |
558 |
|
|
|
| 737-420
| 0 |
Austin |
TX |
|
939H COMMIO, LLC |
558 |
|
2022-01-06 |
|
| 737-420
| 1 |
Austin |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2022-01-07 |
|
| 737-420
| 2 |
Austin |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2022-01-07 |
|
| 737-420
| 3 |
Austin |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2022-01-07 |
|
| 737-420
| 4 |
Austin |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2022-01-07 |
|
| 737-420
| 5 |
Austin |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2022-01-07 |
|
| 737-420
| 6 |
Austin |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2022-01-07 |
|
| 737-420
| 7 |
Austin |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2022-01-07 |
|
| 737-420
| 8 |
Austin |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2022-01-07 |
|
| 737-420
| 9 |
Austin |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2022-01-07 |
|
| 737-421
| A |
Rockdale |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2025-07-21 |
|
| 737-421
| 0 |
Rockdale |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
558 |
|
2025-12-13 |
|
| 737-421
| 1 |
Rockdale |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
558 |
|
2025-11-02 |
|
| 737-421
| 2 |
Rockdale |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2025-10-07 |
|
| 737-421
| 8 |
Rockdale |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2025-07-21 |
|
| 737-421
| 9 |
Rockdale |
TX |
|
6529 T-MOBILE USA, INC. |
558 |
|
2025-07-21 |
|
| 737-422
| A |
San Marcos |
TX |
|
145J TERRA NOVA TELECOM INC. |
558 |
|
|
|
| 737-422
| 0 |
San Marcos |
TX |
|
903C ONVOY, LLC - TX |
558 |
|
2025-12-14 |
|
| 737-422
| 1 |
San Marcos |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2026-01-12 |
|
| 737-422
| 2 |
San Marcos |
TX |
|
145J TERRA NOVA TELECOM INC. |
558 |
|
2025-09-09 |
|
| 737-422
| 6 |
San Marcos |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
558 |
|
2025-11-20 |
|
| 737-422
| 9 |
San Marcos |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
558 |
|
2026-01-12 |
|
| 737-423
| A |
Austin |
TX |
|
700J WAVENATION, LLC |
558 |
|
2025-09-12 |
|
| 737-423
| 0 |
Austin |
TX |
|
700J WAVENATION, LLC |
558 |
|
2025-09-12 |
|
| 737-423
| 1 |
Austin |
TX |
|
903C ONVOY, LLC - TX |
558 |
|
2025-09-27 |
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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