www.ameren.com

Customer Support

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

Contact Us

Residential
Phone: 800.755.5000
Fax: 800.851.1796
Hours: 7:00 a.m. - 7:00 p.m. M-F

Business
Phone: 800.232.2477
Fax: 877.263.7369
Hours: 7:00 a.m. - 7:00 p.m. M-F

Construction & Engineering
Phone: 888.659.4540
Fax: 217.424.6758
Hours: 7:30 a.m. - 4:30 p.m. M-F

Property Management
Phone: 800.487.5795
Fax: 800.851.1796
Hours: 8:00 a.m. - 5:00 p.m. M-F

Website Support
Phone: 877.263.7361
Fax: 800.851.1796
Hours: 7:00 a.m. - 7:00 p.m. M-F

Other Services
JULIE/Call before you dig! Phone: 811
Hearing Impaired Phone: 711

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Payment

  Ameren Illinois
  PO Box 88034
  Chicago, IL 60680-1034

 

Correspondence

  Ameren Illinois
  300 Liberty St.
  Peoria, IL 61602