Post Offices List in Fall River County, South Dakota:
| Edgemont Post Office | 519 2nd Ave, Edgemont, SD 57735 |
| Hot Springs Post Office | 146 N Chicago St, Hot Springs, SD 57747 |
| Oelrichs Post Office | 411 Main St, Oelrichs, SD 57763 |
| Oral Post Office | 117 S Goodman St, Oral, SD 57766 |
| Smithwick Post Office | 206 Smithwick Rd, Smithwick, SD 57782 |