Local Calling Guide
Area code/prefix search
NPA: 346
[Rate centres in NPA 346]
[Dial plan for NPA 346]
NXX: 637
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 346-637
| A |
Katy |
TX |
HSTNTXJAXGY |
516J TON80 COMMUNICATIONS, LLC |
560 |
|
|
|
| 346-637
| 0 |
Katy |
TX |
HSTNTX01GT5 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2022-12-23 |
|
| 346-637
| 1 |
Katy |
TX |
KATYTXXA9MD |
903C ONVOY, LLC - TX |
560 |
|
2022-12-12 |
|
| 346-637
| 2 |
Katy |
TX |
KATYTXXA9MD |
903C ONVOY, LLC - TX |
560 |
|
2022-04-01 |
|
| 346-637
| 3 |
Katy |
TX |
KATYTXXA9MD |
903C ONVOY, LLC - TX |
560 |
|
2022-04-01 |
|
| 346-637
| 4 |
Katy |
TX |
KATYTXXA9MD |
903C ONVOY, LLC - TX |
560 |
|
2022-04-01 |
|
| 346-637
| 5 |
Katy |
TX |
KATYTXXA9MD |
903C ONVOY, LLC - TX |
560 |
|
2022-12-12 |
|
| 346-637
| 6 |
Katy |
TX |
KATYTXXA9MD |
903C ONVOY, LLC - TX |
560 |
|
2022-12-12 |
|
| 346-637
| 7 |
Katy |
TX |
HSTNTXJAXGY |
516J TON80 COMMUNICATIONS, LLC |
560 |
|
2022-03-17 |
|
| 346-637
| 8 |
Katy |
TX |
HSTNTX01GT5 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2022-12-23 |
|
| 346-637
| 9 |
Katy |
TX |
HSTNTX01GT5 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2022-12-23 |
|
Last updated: Wed, 18 Jun 2025 02:30:00 UTC
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