Milltown, WI

ZIP code 54858 belongs to the small town of Marengo, Wisconsin. Situated in Ashland County, this area is known for its natural beauty, with Chequamegon-Nicolet National Forest being a prominent landmark. Outdoor enthusiasts flock to this zip code for its hiking trails, fishing spots, and camping facilities. Marengo also offers a peaceful retreat with its picturesque lakes and abundant wildlife.