Cassville, WI

ZIP code 53806 serves communities including Cassville and Bagley in Grant County, southwestern Wisconsin, along the Mississippi River. Notable landmarks include Nelson Dewey State Park, known for its bluff-top river views, and Stonefield Historic Site, an open-air museum interpreting Wisconsin’s rural past. The area is predominantly rural, with riverfront scenery, wooded bluffs, and small settlements connected by local roads.