Local Calling Guide
Area code/prefix search
NPA: 346
[Rate centres in NPA 346]
[Dial plan for NPA 346]
NXX: 621
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 346-621
| A |
Houston |
TX |
|
208K VESTED NETWORKS, LLC |
560 |
|
2025-08-29 |
|
| 346-621
| 0 |
Houston |
TX |
|
903C ONVOY, LLC - TX |
560 |
|
2025-09-07 |
|
| 346-621
| 1 |
Houston |
TX |
|
903C ONVOY, LLC - TX |
560 |
|
2025-09-07 |
|
| 346-621
| 2 |
Houston |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2025-09-17 |
|
| 346-621
| 3 |
Houston |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2025-09-17 |
|
| 346-621
| 4 |
Houston |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2025-09-17 |
|
| 346-621
| 5 |
Houston |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2025-09-17 |
|
| 346-621
| 6 |
Houston |
TX |
|
208K VESTED NETWORKS, LLC |
560 |
|
2025-08-29 |
|
| 346-621
| 7 |
Houston |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2025-09-17 |
|
| 346-621
| 8 |
Houston |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2025-09-17 |
|
| 346-621
| 9 |
Houston |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
560 |
|
2025-09-17 |
|
Last updated: Mon, 15 Sep 2025 02:24:40 UTC
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