Johannesburg, MI

ZIP code 49751 covers the small town of Mackinaw City in Michigan. The area is known for being the connecting point between the upper and lower peninsulas of Michigan, with the iconic Mackinac Bridge spanning across the Straits of Mackinac. Key landmarks include Old Mackinac Point Lighthouse, Colonial Michilimackinac State Park, and the Historic Mill Creek Discovery Park, making it a popular tourist destination.