ELDORADO — IL
Data last updated: October 30, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH, INC. - IL | 1015 | 1 |
| ONVOY, LLC | 224C | 1 |
| MCC NETWORK SERVICES, LLC | 9915 | 1 |
Data last updated: October 30, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH, INC. - IL | 1015 | 1 |
| ONVOY, LLC | 224C | 1 |
| MCC NETWORK SERVICES, LLC | 9915 | 1 |