Consumer Complaints | Illinois Commerce Commission
Resource Name:Consumer Complaints | Illinois Commerce Commission
address
160 North LaSalle, C-800, Chicago, IL 60601
Eligibility
Residents of Illinois
Required documents
Utility bills
Proof of residence in Illinois
Additional documents may be required.
Hours
Monday to Friday, 8:30 am - 5:00 pm
217-782-2024
Voice
·Out-of-State Callers
217-782-4654
Voice
·Transportation
888-261-4188
Voice
·TTY
800-524-0795
Voice
·Consumer Services (Toll-Free)
Website
https://www.icc.illinois.govLanguages
English, Spanish.
Application process
(1) File an complaint on the website, by calling 1-800-524-0795 and following the prompts, or by United States Postal Service (USPS) mail. (2) For Transportation questions call 217-782-4654 and press '7'.
Fees
No Fees
Service area
All ZIP Codes, IL
Provides informational and related resources about public utility services and accepts consumer complaints.
Date of Last Formal Update
06/30/2026
Data provided by
211 DuPage County
What's Here
Providing organization
Illinois Commerce Commission
Provides informational and related resources about public utility services and accepts consumer complaints.
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