Local Calling Guide
Area code/prefix search
NPA: 737
[Rate centres in NPA 737]
[Dial plan for NPA 737]
NXX: 437
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 737-437
| A |
Thorndale-Thrall |
TX |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
|
|
| 737-437
| 0 |
Thorndale-Thrall |
TX |
AUSTTXGR45Z |
624H ONVOY SPECTRUM, LLC |
558 |
|
2021-12-04 |
|
| 737-437
| 1 |
Thorndale-Thrall |
TX |
AUSTTXGR45Z |
624H ONVOY SPECTRUM, LLC |
558 |
|
2021-12-04 |
|
| 737-437
| 2 |
Thorndale-Thrall |
TX |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2021-03-14 |
|
| 737-437
| 3 |
Thorndale-Thrall |
TX |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2021-03-14 |
|
| 737-437
| 4 |
Thorndale-Thrall |
TX |
AUSTTXGRDS6 |
177F PEERLESS NETWORK OF TEXAS, LLC - TX |
558 |
|
2025-01-23 |
|
| 737-437
| 5 |
Thorndale-Thrall |
TX |
AUSTTXGR45Z |
624H ONVOY SPECTRUM, LLC |
558 |
|
2021-06-27 |
|
| 737-437
| 6 |
Thorndale-Thrall |
TX |
AUSTTXGR55Z |
516J TON80 COMMUNICATIONS, LLC |
558 |
|
2021-06-06 |
|
| 737-437
| 7 |
Thorndale-Thrall |
TX |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2021-04-30 |
|
| 737-437
| 8 |
Thorndale-Thrall |
TX |
AUSTTXGR03Z |
903C ONVOY, LLC - TX |
558 |
|
2021-04-30 |
|
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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