MT CARROLL — IL
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BRIGHTSPEED OF ILLINOIS, LLC | 1057 | 1 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 1 |
| MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | 846F | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| BRIGHTSPEED OF ILLINOIS, LLC | 1057 | 1 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 1 |
| MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL | 846F | 1 |