Directions to National Exchange Bank & Trust Directions to National Exchange Bank & Trust Search | Advanced Search | New Members | Coupons and Discounts | All Categories Business & Professional Services >> Banks and Credit Unions National Exchange Bank & Trust 346 N. Main St.Fond du Lac, WI 54935 | map 920.921.7700 Visit Site Get directions to: National Exchange Bank & Trust, 346 N. Main St., Fond du Lac WI Get directions from: Click to Print This Page