Customer Support

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COVID-19 Update
Effective immediately, Ameren is suspending all disconnections for non-payment and forgiving any late payment fees for residential and business customers. Learn more about Ameren's COVID-19 response

Downed Lines. Gas Odor

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Chat With Us

Chat with Customer Care.
Available for Residential Customers Only

Chat Hours: M-F 7:00 a.m. - 7:00 p.m

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Email Us

Email us with your specific question or issue. 
Email Us

Still Have Questions?

Call Us

Fax: 866.297.8054
Hours: 7:00 a.m. - 7:00 p.m. M-F

Phone: 877.426.3736
Fax: 866.222.3471
Hours: 7:00 a.m. - 5:30 p.m. M-F

Website Support
Phone: 877.263.7361
Hours: 7:00 a.m. - 7:00 p.m. M-F

Construction & Engineering
Phone: 866.992.6619
Fax: 314.641.2406
Hours: 6:30 a.m. - 5:00 p.m. M-F

Other Services
Call before you dig! Phone: 811
Speech & Hearing Impaired Phone: 711 or 800.735.2966
Visually Impaired Phone: 800.552.7583
Interpreter Service Phone: 800.552.7583

Mail Us

Ameren Missouri
PO Box 88068
Chicago, IL 60680-1068

Ameren Missouri
PO Box 790098
St. Louis, MO 63179-0098

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