Before you visit Ameren Illinois help desk
Tell us in a few words why you're contacting Ameren Illinois. We will tell you what information you will need, and offer talking points for you to use during your conversation.
Looking for other contact information?
Click the link below to start over with a full view of Ameren Illinois's contact information, including phone number, live chat, email and other possibilities.
Back to Ameren Illinois phone number and contact information