HERRIN — IL
Data last updated: August 31, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 19 |
| FRONTIER NORTH, INC. - IL | 1015 | 2 |
| ONVOY, LLC | 224C | 1 |
| TWILIO INTERNATIONAL, INC. | 506J | 1 |
| NOVACOM, INC. | 6769 | 1 |
Data last updated: August 31, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 19 |
| FRONTIER NORTH, INC. - IL | 1015 | 2 |
| ONVOY, LLC | 224C | 1 |
| TWILIO INTERNATIONAL, INC. | 506J | 1 |
| NOVACOM, INC. | 6769 | 1 |