City
| City / Place Name | ZIP | County | State | Longitude | Latitude |
|---|---|---|---|---|---|
| Higgins Lake | 48627 | Roscommon | Michigan | -84.7013 | 44.3871 |
| Houghton Lake | 48629 | Roscommon | Michigan | -84.7647 | 44.3147 |
| Houghton Lake Heights | 48630 | Roscommon | Michigan | -84.7194 | 44.3322 |
| Prudenville | 48651 | Roscommon | Michigan | -84.6627 | 44.2974 |
| Roscommon | 48653 | Roscommon | Michigan | -84.6601 | 44.4839 |
| Saint Helen | 48656 | Roscommon | Michigan | -84.4247 | 44.3665 |