Town Hall Address W1728 Sunset Drive Campbellsport, WI 53010 United States- Fond du Lac County Town Clerk (920) 517-0672 N3887 State Road 67 Campbellsport, WI 53010 United States Tax Collector (920) 979-3060 N2170 State Road 67 Campbellsport, WI 53010 United States County Fond du Lac