You can file your complaint in one of three different ways:
1. By Phone:
You can reach us between 8:30 AM and 5:00 PM, Monday through Friday by calling 1-800-524-0795, 1-217-782-2024 outside the State of Illinois, or TTY at 1-800-858-9277. If you are contacting us regarding an urgent matter (such as a disconnection notice) please call.
2. By Mail:
You can send us your comments or complaint by US Mail:
Illinois Commerce Commission
527 East Capitol Ave
Springfield, IL. 62701