| Baltic Post Office |
132 St Olaf Ave, Baltic, SD 57003 |
| Brandon Post Office |
1420 E Aspen Blvd, Brandon, SD 57005 |
| Colton Post Office |
213 E 4th St, Colton, SD 57018 |
| Crooks Post Office |
112 Main St, Crooks, SD 57020 |
| Dell Rapids Post Office |
305 E 4th St, Dell Rapids, SD 57022 |
| Garretson Post Office |
641 N Main Ave, Garretson, SD 57030 |
| Hartford Post Office |
901 N Oaks Ave, Hartford, SD 57033 |
| Humboldt Post Office |
1005 W 2nd Ave, Humboldt, SD 57035 |
| Meadows Postal Store Post Office |
2501 S Louise Ave, Sioux Falls, SD 57106 |
| Sioux Falls Post Office |
320 S 2nd Ave, Sioux Falls, SD 57104 |
| Southwest Carrier Annex Post Office |
4709 S Technopolis Dr, Sioux Falls, SD 57106 |
| Valley Springs Post Office |
409 Broadway Ave, Valley Springs, SD 57068 |
