HARLETON — TX
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ETEX TEL. COOP., INC. | 2070 | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| ETEX TEL. COOP., INC. | 2070 | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | 1 |