Post Offices List in Roscommon County, Michigan:
| Higgins Lake Post Office | 6311 W Higgins Lake Dr, Higgins Lake, MI 48627 |
| Houghton Lake Heights Post Office | 1641 Heightsview Dr, Houghton Lake Heights, MI 48630 |
| Houghton Lake Post Office | 2255 Tower Hill Rd, Houghton Lake, MI 48629 |
| Prudenville Post Office | 899 W Houghton Lake Dr, Prudenville, MI 48651 |
| Roscommon Post Office | 281 Lake St, Roscommon, MI 48653 |
| Saint Helen Post Office | 2332 N Saint Helen Rd, Saint Helen, MI 48656 |