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  Residential   Payment
  Ameren Illinois
  Ameren Illinois
  Phone: 800.755.5000
  PO Box 88034
  Fax: 800.851.1796
  Chicago, IL 60680-1034
  Hours: 7:00 a.m. - 7:00 p.m. M-F
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  Ameren Missouri   Ameren Missouri
  Phone: 800.552.7583   PO Box 88068

  Fax: 866.297.8054   St. Louis, MO 60680-1068
    Hours: 7:00 a.m. - 7:00 p.m. M-F   (more)


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