Utilities go Results Found: 4 Button group with nested dropdown Ameren Illinois 700 Jersey Street Quincy IL 62301 (800) 755-5000 McDonough Power Cooperative 1210 W. Jackson St. Macomb IL 61455 (309) 833-2101 McDonough Telephone Cooperative 210 N. Coal St. Colchester IL 62326 (309) 776-3211 MTC Communications Get FIBER Internet, Phone service, IT Services, and Cameras. Get FIBER Internet, Phone service, IT Services, and Cameras. 210 N. Coal St. Colchester IL 62326 (309) 575-3211