Tripoli, WI

The ZIP code 54564 belongs to Mellen, a town in northern Wisconsin. Known for its proximity to the beautiful Chequamegon-Nicolet National Forest, this area is a haven for outdoor enthusiasts. The area features iconic landmarks such as Copper Falls State Park, which boasts stunning waterfalls and hiking trails, as well as the Mellen Historical Walking Tour showcasing the town's rich mining history.