GREENVILLE — IL
Data last updated: October 30, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ILLINOIS BELL TEL CO | 9329 | 2 |
| MCC NETWORK SERVICES, LLC | 075A | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | 1 |
Data last updated: October 30, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| ILLINOIS BELL TEL CO | 9329 | 2 |
| MCC NETWORK SERVICES, LLC | 075A | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | 1 |