Local Calling Guide
Area code/prefix search
NPA: 903
[Rate centres in NPA 903]
[Dial plan for NPA 903]
NXX: 437
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 903-437
| A |
Brownsboro |
TX |
ATHNTXXATMD |
903C ONVOY, LLC - TX |
552 |
|
|
|
| 903-437
| 0 |
Brownsboro |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
552 |
|
2023-08-20 |
|
| 903-437
| 1 |
Brownsboro |
TX |
ATHNTXXALMD |
318C CEBRIDGE TELECOM TX , L.P. - TX |
552 |
|
2022-07-18 |
|
| 903-437
| 2 |
Brownsboro |
TX |
ATHNTXXATMD |
903C ONVOY, LLC - TX |
552 |
|
2021-02-03 |
|
| 903-437
| 3 |
Brownsboro |
TX |
DLLATX37DS6 |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
552 |
|
2014-05-16 |
|
| 903-437
| 4 |
Brownsboro |
TX |
DLLSTX37XWZ |
004F BANDWIDTH.COM CLEC, LLC - TX |
552 |
|
2017-10-19 |
|
| 903-437
| 5 |
Brownsboro |
TX |
ATHNTXXATMD |
903C ONVOY, LLC - TX |
552 |
|
2018-09-16 |
|
| 903-437
| 6 |
Brownsboro |
TX |
ATHNTXXATMD |
903C ONVOY, LLC - TX |
552 |
|
2021-02-03 |
|
| 903-437
| 7 |
Brownsboro |
TX |
ATHNTXXATMD |
903C ONVOY, LLC - TX |
552 |
|
2020-08-21 |
|
| 903-437
| 8 |
Brownsboro |
TX |
ATHNTXXATMD |
903C ONVOY, LLC - TX |
552 |
|
2020-08-21 |
|
| 903-437
| 9 |
Brownsboro |
TX |
ATHNTXXATMD |
903C ONVOY, LLC - TX |
552 |
|
2020-08-21 |
|
Last updated: Sat, 05 Apr 2025 03:03:23 UTC
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