SUGARGROVE — IL
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | 7 |
| T-MOBILE USA, INC. | 6529 | 5 |
| PEERLESS NETWORK OF ILLINOIS, LLC - IL | 063E | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | 1 |
| ILLINOIS BELL TEL CO | 9329 | 1 |