Mason, WI

ZIP code 54856, located in northern Wisconsin, encompasses the town of Mellen. Known for its picturesque setting amidst the Chequamegon-Nicolet National Forest, this area offers outdoor enthusiasts access to pristine wilderness for hiking, camping, and fishing. Notable landmarks include Copper Falls State Park, with its cascading waterfalls and scenic trails, as well as the historic Mellen Depot Museum, showcasing the town's rich railroad history.