File a Complaint

You can file your complaint in one of three different ways:

1. Online

   File a complaint online

2. 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.
   
   

3. By Mail

   You can send us your comments or complaint by US Mail:
   
   
   Illinois Commerce Commission
   527 East Capitol Ave
   Springfield, IL. 62701