Town Hall Address 2568 N 37th St, Suite C Fairmont City, IL 62201 United States- St. Clair County Website https://fairmontcityil.com/ Zoning (618) 274-6306 2568 N 37th St, Suite C Fairmont City, IL 62201 United States Fire District 618-274-4504 2601 N 41st St Fairmont City, IL 62201 United States Town Clerk (618) 274-6306 2568 N 37th St, Suite C Fairmont City, IL 62201 United States Tax Collector (618) 274-1430 2568 N 41st St Suite C Fairmont City, IL 62201 United States County St. Clair