Post Offices List in Marion County, Kentucky:
| Bradfordsville Post Office | 112 S 6th St, Bradfordsville, KY 40009 |
| Gravel Switch Post Office | 885 Gravel Switch Rd, Gravel Switch, KY 40328 |
| Lebanon Post Office | 101 E Main St, Lebanon, KY 40033 |
| Loretto Post Office | 4800 Highway 52, Loretto, KY 40037 |
| Nerinx Post Office | 515 Nerinx Rd, Nerinx, KY 40049 |
| Raywick Post Office | 5805 Raywick Rd, Raywick, KY 40060 |
| Saint Mary Post Office | 3880 Saint Mary Rd, Saint Mary, KY 40063 |