Local Calling Guide
Area code/prefix search
NPA: 346
[Rate centres in NPA 346]
[Dial plan for NPA 346]
NXX: 336
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 346-336
| A |
Tomball |
TX |
|
792K CHARTER IP ENABLED SERVICES, LLC |
560 |
|
2025-02-11 |
|
| 346-336
| 0 |
Tomball |
TX |
HSTNTX01GT5 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2017-03-29 |
|
| 346-336
| 1 |
Tomball |
TX |
HSTNTX01GT5 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2017-03-29 |
|
| 346-336
| 2 |
Tomball |
TX |
HSTNTXGI0MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2020-11-12 |
|
| 346-336
| 3 |
Tomball |
TX |
HSTNTXGI0MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2020-11-12 |
|
| 346-336
| 4 |
Tomball |
TX |
HSTNTXYADS5 |
903C ONVOY, LLC - TX |
560 |
|
2020-12-03 |
|
| 346-336
| 5 |
Tomball |
TX |
HSTNTXYADS5 |
903C ONVOY, LLC - TX |
560 |
|
2020-12-03 |
|
| 346-336
| 6 |
Tomball |
TX |
HSTNTXMOX7X |
318J COMCAST IP PHONE, LLC |
560 |
|
2018-11-29 |
|
| 346-336
| 7 |
Tomball |
TX |
HSTNTXJAXLX |
177F PEERLESS NETWORK OF TEXAS, LLC - TX |
560 |
|
2018-09-01 |
|
| 346-336
| 8 |
Tomball |
TX |
|
792K CHARTER IP ENABLED SERVICES, LLC |
560 |
|
2016-10-27 |
|
| 346-336
| 9 |
Tomball |
TX |
HSTNTXGI0MD |
004F BANDWIDTH.COM CLEC, LLC - TX |
560 |
|
2020-10-30 |
|
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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