Post Offices List in Clinton County, Indiana:
| Colfax Post Office | 114 W Main St, Colfax, IN 46035 |
| Forest Post Office | 9333 E County Road 600 N, Forest, IN 46039 |
| Frankfort Post Office | 100 Washington Ave, Frankfort, IN 46041 |
| Kirklin Post Office | 102 S Ohio St, Kirklin, IN 46050 |
| Michigantown Post Office | 226 Main St, Michigantown, IN 46057 |
| Mulberry Post Office | 120 E Jackson St, Mulberry, IN 46058 |
| Rossville Post Office | 27 W Main St, Rossville, IN 46065 |
| Sedalia Post Office | 496 W State Road 26, Sedalia, IN 46067 |