Roscommon

ZIP Code(s): 48653; County(s): Roscommon;

St. Helen

ZIP Code(s): 48656; County(s): Roscommon;

Houghton Lake

ZIP Code(s): 48651, 48630, 48629; County(s): Roscommon;

Prudenville

ZIP Code(s): 48651; County(s): Roscommon;