Post Offices List in Jefferson County, Indiana:
| Deputy Post Office | 14165 W Main St, Deputy, IN 47230 |
| Dupont Post Office | 10545 N West Front St, Dupont, IN 47231 |
| Hanover Post Office | 264 E Main St, Hanover, IN 47243 |
| Madison Post Office | 207 Jefferson St, Madison, IN 47250 |
| North Madison Post Office | 641 Green Rd, Madison, IN 47250 |