Prairie du Chien, WI

Zip code 53821 covers the town of Potosi, Wisconsin. This picturesque area is best known for its historic Potosi Brewery, which offers tours and tastings of its craft beers. The town also features the Potosi Correctional Center, a medium-security prison. Additionally, the area is surrounded by beautiful rolling hills and is a popular spot for outdoor activities such as hiking, fishing, and boating along the nearby Mississippi River.