Customer Service
Phone and Fax Numbers
				Residential				Business
AmerenCILCO				888.672.5252				877.677.5740
Fax Number				309.677.5025				877.263.7369
AmerenCIPS				888.789.2477				800.232.2477
Fax Number				877.226.3736				877.263.7369
AmerenIP				800.755.5000				800.363.6805
Fax Number				217.424.8345				217.424.8345
AmerenUE				800.552.7583				800.552.7583
Fax Number				314.206.0485				314.206.0485
Construction Services
UE Construction					866.992.6619 or constructionhotline@ameren.com
					Fax: 314.641.2406		Web: UE Construction
Ameren IL Utilities					Residential Construction
					Commercial & Industrial Construction
Other Phone Numbers
Call Before You Dig!					811
Economic Development					800.981.9409
Investor Services					314.554.3502	St. Louis area
					800.255.2237	All others
Power Quality Hotline (AmerenUE)					800.899.5973
Other Contact Information
	Power Out? Call Us
	eMail (for non-outages)
	Mailing Address for Payment:
			Ameren Residential Customers
			Ameren Business Customers
	Hearing impaired customers can use the Relay Service of 711 to conduct business with Ameren.
			Illinois Relay
			Missouri Relay
Web Site Contact
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