The village of Roscommon is located within Higgins Township in the northern portion of the county. Roscommon has its own post office with the 48653 ZIP Code, which also serves all of Gerrish Township, most of Lyon Township, and smaller areas extending into Lake Township, Markey Township, and Au Sable Township. It also serves portions of South Branch Township and Beaver Creek Township to the north in Crawford County.
The village of Roscommon is located within Higgins Township in the northern portion of the county. Roscommon has its own post office with the 48653 ZIP Code, which also serves all of Gerrish Township, most of Lyon Township, and smaller areas extending into Lake Township, Markey Township, and Au Sable Township. It also serves portions of South Branch Township and Beaver Creek Township to the north in Crawford County.