Cassopolis, MI

ZIP code 49031 belongs to the city of Centreville in St. Joseph County, Michigan. This area is known for its charming downtown area, which features historic buildings, local shops, and restaurants. Landmarks in the area include the St. Joseph County Courthouse, which is a historic building dating back to the 1890s, and the Langley Covered Bridge, a picturesque structure spanning the St. Joseph River.