HARRISTOWN — IL
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| T-MOBILE USA, INC. | 6529 | 1 |
| ILLINOIS BELL TEL CO | 9329 | 1 |
| FRACTEL, LLC | 965H | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| T-MOBILE USA, INC. | 6529 | 1 |
| ILLINOIS BELL TEL CO | 9329 | 1 |
| FRACTEL, LLC | 965H | 1 |