Town Hall Address 145 S Main St. Mason City, IL 62664 United States- Mason County Website https://www.masoncityillinois.org/ Zoning (217) 482-3669 145 S Main St. Mason City, IL 62664 United States Fire District 217-482-3770 W Pine St Mason City, IL 62664 United States Town Clerk (217) 482-3669 145 S Main St. Mason City, IL 62664 United States Water 217-482-5720 212 N Tonica St Mason City, IL 62664 United States Sewer 217-482-3168 145 S Main St. Mason City, IL 62664 United States Tax Collector 309-543-4775 125 N Plum Havana, IL 62644 United States Town Hall Hours M-F 9-4 County Mason