Ameren Illinois Keywords: Advanced Search Directory View All Listings Ameren Illinois Listing Title Ameren Illinois Listing Category Utilities Phone 309-339-7998 Address 1900 W. Lafayette Street Jacksonville, IL 62650 62650 CASSCOMM Listing Title CASSCOMM Listing Category Media, Utilities Website https://home.casscomm.com/ Phone 800-252-1799 Address PO Box 200 Virginia, IL 62691 62691 Illinois Electric Coop Listing Title Illinois Electric Coop Listing Category Utilities Website http://www.e-co-op.com/ Phone 217-742-3128 Address 2 S. Main Winchester, IL 62694 62694