Post Offices List in Decatur County, Indiana:
| Clarksburg Post Office | 6656 N County Road 700 E, Clarksburg, IN 47225 |
| Greensburg Post Office | 231 N Franklin St, Greensburg, IN 47240 |
| New Point Post Office | 8348 E County Road 200 S, New Point, IN 47263 |
| Saint Paul Post Office | 109 E Washington St, Saint Paul, IN 47272 |
| Westport Post Office | 211 E Main St, Westport, IN 47283 |