Contact Us
Contact Us by Email
       
Send your general customer service inquiries to us.

Call us immediately to report a gas odor. 
Do NOT contact us by email. Call us - see phone numbers on right.
     
     
email
Contact us by email by completing our online message form. Start now.

 

    
     

If you have comments or suggestions relating to this website, contact the Ameren.com webmaster.
Report Outage
Report Outage Online
  
Report Outage
Use your phone and house numbers to
report your outage online.
Emergency Contact
m.ameren.com
  
m.ameren.com
On smartphones, visit m.ameren.com to report or check outages.
Report Outage by Phone
  
Phone Numbers
Call Ameren Illinois at 800.755.5000.
Call Ameren Missouri at 800.552.7583.
More information in Outage Center.
Phone & Fax Numbers
Service:   Phone:

Emergency Contact
         

Call before you dig!   811
Hearing Impaired   711
Investor Services   800.255.2237
    
    
    
   
Ameren Illinois Customer Service: Ameren Missouri Customer Service:
Residential Customers Phone: 800.755.5000 Residential Customers Phone: 800.552.7583
  7:00 a.m. - 7:00 p.m./M-F Fax: 800.851.1796   7:00 a.m. - 7:00 p.m./M-F Fax: 866.297.8054
                 
Business Customers Phone: 800.232.2477 Business Customers Phone: 800.552.7583
  7:00 a.m. - 7:00 p.m./M-F Fax: 877.263.7369   7:00 a.m. - 5:30 p.m./M-F Fax: 866.222.3471
                 




               
               
Mailing Addresses for your Ameren Payment
Please include your bill stub with your check or money order. If you do not have your bill stub, write your 10-digit account number or service address on your payment to ensure your account is credited. Allow at least five days for the payment to reach us.
    
         
Ameren Illinois Mailing Addresses   Ameren Missouri Mailing Addresses
     
Send all payments to:
  Send all payments to:
  Ameren Illinois     Ameren Missouri
  PO Box 88034     PO Box 88068
  Chicago, IL 60680-1034     Chicago, IL 60680-1068
         
Send all correspondence to:
  Send all correspondence to:
  Ameren Illinois     Ameren Missouri
  300 Liberty St.     PO Box 790352
  Peoria, IL 61602     St. Louis, MO 63179-0352
         
           
Save a stamp!
Sign up for eBill, our safe, convenient and fast electronic billing option. With eBill you'll receive your Ameren bill in an email, which will include an option to pay your bill online.
                 

If you have comments or suggestions relating to this website, contact the Ameren.com webmaster.
         
Follow Us