PORTARTHUR — TX
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHWESTERN BELL | 9533 | 9 |
| AERIAL COMMUNICATIONS, INC. | 6701 | 6 |
| TWC IP ENABLED SERVICES, LLC | 793K | 3 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | 2 |
| ONVOY, LLC - TX | 903C | 2 |