CARBONDALE — IL
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 11 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | 8 |
| FRONTIER NORTH, INC. - IL | 1015 | 6 |
| T-MOBILE USA, INC. | 6529 | 3 |
| LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | 2 |