SIERRABLNC — TX
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | 1181 | 1 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | 1 |
| ONVOY, LLC - TX | 903C | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | 1181 | 1 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | 1 |
| ONVOY, LLC - TX | 903C | 1 |