800-824-7277
Monday through Friday from 7 AM-5 PM Central Time.
For IPass customer service, go to the bottom of the Illinois Tollway Contact Us page and click on the green "Customer Service Team" button.
Illinois Tollway Headquarters
2700 Ogden Avenue
Downers Grove, IL 60515
Hours: 8:00 a.m. to 5:30 p.m.
These illinois tollway office locations are very nice places to visit!
Dispute a charge by filling out this form and sending it to the address indicated.
Close your account: You can do this in person at an IPass Customer Service Center or by mail.
If mailing, send your transponder, wrapped in foil, with a letter requesting that the I-PASS account be closed.
The letter also should include your return address.
Here is a good list available services and where to get them
New: The EZ-PASS Help Facebook Group