Town Hall Address N1291 County Rd N Columbus, WI 53925 United States- Columbia County Zoning (608) 742-9660 112 E. Edgewater Street Portage, WI 53901 United States Town Clerk (920) 210-5165 W2806 Bristol Road Columbus, WI 53925 United States Tax Collector (920) 623-1101 N1185 Old F Road Rio, WI 53960 United States County Columbia