MTSTERLING — IL
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH, INC. - IL | 1015 | 1 |
| ONVOY, LLC | 224C | 1 |
| METROPCS, INC. | 5562 | 1 |
| UNITED STATES CELLULAR - IL | 6265 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH, INC. - IL | 1015 | 1 |
| ONVOY, LLC | 224C | 1 |
| METROPCS, INC. | 5562 | 1 |
| UNITED STATES CELLULAR - IL | 6265 | 1 |