Town Hall Address 17 E Market St Shannon, IL 61078 United States- Carroll County Website http://shannonillinois.com/ Zoning 815-864-2194 17 E Market St Shannon, IL 61078 United States Fire District 815-864-2142 14 S Hickory St Shannon, IL 61078 United States Town Clerk 815-864-2194 17 E Market St Shannon, IL 61078 United States Water 815-864-2194 17 E Market St Shannon, IL 61078 United States Sewer 815-864-2194 17 E Market St Shannon, IL 61078 United States Tax Collector 815-864-2194 17 E Market St Shannon, IL 61078 United States Code Enforcement 815-864-2194 17 E Market St Shannon, IL 61078 United States County Carroll