Post Offices in La Crosse, Wisconsin, United States SearchSearch SearchSearch View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List La Crosse Post Office No Reviews Favorite Fax: (608) 791-8126Phone: (608) 791-8100Retail Hours La Crosse 2 Post Office No Reviews Favorite Fax: (608) 782-6227Phone: (608) 791-8100Retail Hours