OGLESBY — IL
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 7 |
| PEERLESS NETWORK OF ILLINOIS, LLC - IL | 063E | 1 |
| ONVOY, LLC | 224C | 1 |
| ONVOY SPECTRUM, LLC | 624H | 1 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | 1 |