Town Hall Address 139 N. Main St. Prospect, OH 43342 United States- Marion County Website http://www.co.marion.oh.us/?page_id=1957 Zoning (740) 494-2115 139 N. Main St. Prospect, OH 43342 United States Town Clerk (740) 494-2115 139 N. Main St. Prospect, OH 43342 United States Water (740) 494-2115 139 N. Main St. Prospect, OH 43342 United States Sewer (740) 494-2115 139 N. Main St. Prospect, OH 43342 United States Tax Collector (740) 494-2115 139 N. Main St. Prospect, OH 43342 United States Code Enforcement (740) 494-2115 139 N. Main St. Prospect, 43342 United States County Marion