Directions to City of Fond du Lac Police Dept. Directions to City of Fond du Lac Police Dept. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Government & Education >> Government City of Fond du Lac Police Dept. 126 N. Main St.Fond du Lac, WI 54935 | map 920.322.3700 Visit Site Get directions to: City of Fond du Lac Police Dept., 126 N. Main St., Fond du Lac WI Get directions from: Click to Print This Page