Houghton, MI

ZIP code 49931 serves Houghton, Michigan, on the south shore of Portage Lake in the Keweenaw Peninsula. Notable landmarks include the Michigan Technological University campus, the A. E. Seaman Mineral Museum, the historic Houghton County Courthouse, and the Houghton end of the Portage Lake Lift Bridge, which connects the city with Hancock. Houghton’s downtown and waterfront are also prominent features of the area.