SPRING GRV — IL
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH, INC. - IL | 1015 | 1 |
| COMCAST IP PHONE, LLC | 318J | 1 |
| STRATUS NETWORKS | 495J | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER NORTH, INC. - IL | 1015 | 1 |
| COMCAST IP PHONE, LLC | 318J | 1 |
| STRATUS NETWORKS | 495J | 1 |