Town Hall Address PO Box 204 Mass City, MI 49948 United States- Ontonagon County Website https://ontonagoncounty.org/township/greenland-township/ Zoning 906-883-3644 PO Box 204 Mass City, MI 49948 United States Town Clerk 906-883-3644 PO Box 204 Mass City, MI 49948 United States Water 906-883-3644 PO Box 204 Mass City, MI 49948 United States Sewer 906-883-3644 PO Box 204 Mass City, MI 49948 United States Tax Collector 906-883-3644 PO Box 204 Mass City, MI 49948 United States Code Enforcement 906-883-3644 PO Box 204 Mass City, MI 49948 United States Town Hall Hours Call for hours County Ontonagon