Johannesburg, MI

ZIP code 49751 serves Mackinaw City, a small community at the northern end of Michigan’s Lower Peninsula, where Lake Michigan and Lake Huron meet. Major landmarks include the Mackinac Bridge, Colonial Michilimackinac’s reconstructed fort and trading village, and the Old Mackinac Point Lighthouse. Nearby Headlands International Dark Sky Park is known for dark-sky viewing along the Straits of Mackinac.