Contact Us
eMail
Each Ameren utility company has its own mailbox for customer service questions. To expedite your question, first identify your state. Next, use the brief online form to identify your utility and account type and to submit your question, comment or inquiry.
	Illinois Customer
	Missouri Customer
Power Out? Use the Power Out? Call Us information to report a power outage or an emergency situation.
Other Contact Information
	Power Out? Call Us
	Phone and Fax Numbers
	Mailing Addresses for Payments
		Ameren Residential Customers
		Ameren Business Customers
Gift Certificates
Ameren gift certificates are the perfect gift when you want to give the gift of “energy.” More.
Web Site Contact
If you have comments or suggestions relating to this Web site, contact the ameren.com Webmaster.