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Residential
Phone:800.552.7583
Fax: 866.297.8054
Hours: M-F 7:00 a.m. - 7:00 p.m.
Commercial
Phone: 877.426.3736
Fax: 866.222.3471
Hours: M-F 7:00 a.m. - 5:30 p.m.
Website Support
Phone: 877.263.7361
Hours: M-F 7:00 a.m. - 7:00 p.m.
Construction & Engineering
Phone: 866.992.6619
Fax: 314.641.2406
Email: ConstructionHotline@ameren.com
Hours: M-F 6:30 a.m. - 5:00 p.m.
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
Payment
Ameren Missouri
PO Box 88068
Chicago, IL 60680-1068
Correspondence
Ameren Missouri
PO Box 790098
St. Louis, MO 63179-0098