About Mass City, Michigan

Mass City (also known as Mass ) is an unincorporated community in Ontonagon County, Michigan, United States. Mass City is located in Greenland Township along M-26, 13.5 miles (21.7 km) southeast of Ontonagon. Mass City has a post office with ZIP code 49948.

News from Mass City

Mass City Facts

  • Area Code: 906
  • Elevation: 1056
  • Postal Codes: 49948
  • Timezone: Eastern