| Post Office Name | City/State | Address | Phone Number | Action |
|---|---|---|---|---|
| Aberdeen Post Office | Aberdeen, SD 57401 | 1202 S 5th St | 6052262673 | View Details Get Directions |
| Barnard Post Office | Barnard, SD 57426 | 210 Main St | 6053292391 | View Details Get Directions |
| Bath Post Office | Bath, SD 57427 | 303 S Main St | 6052257775 | View Details Get Directions |
| Claremont Post Office | Claremont, SD 57432 | 510 6th Ave | 6052945316 | View Details Get Directions |
| Columbia Post Office | Columbia, SD 57433 | 5 N Broadway St | 6053962664 | View Details Get Directions |
| Conde Post Office | Conde, SD 57434 | 180 Broadway St Ne | 6053825855 | View Details Get Directions |
| Frederick Post Office | Frederick, SD 57441 | 413 Main St | 6053292441 | View Details Get Directions |
| Groton Post Office | Groton, SD 57445 | 201 N Main St | 6053972707 | View Details Get Directions |
| Hecla Post Office | Hecla, SD 57446 | 226 Main St | 6059942255 | View Details Get Directions |
| Ipswich Post Office | Ipswich, SD 57451 | 336 1st Ave | 6054266091 | View Details Get Directions |
| Mansfield Post Office | Mansfield, SD 57460 | 205 E Main St | 6058873688 | View Details Get Directions |
| Warner Post Office | Warner, SD 57479 | 22 W Main St | 6052261701 | View Details Get Directions |
| Westport Post Office | Westport, SD 57481 | 14 Main St W | 6052255749 | View Details Get Directions |
| Public Collection Box | Groton, SD 57445 | 109 Center St | -- | Get Directions |
| Public Collection Box | Aberdeen, SD 57401 | 111 1st Ave Se | -- | Get Directions |
| Public Collection Box | Aberdeen, SD 57401 | 115 4th Ave Se | -- | Get Directions |
| Public Collection Box | Aberdeen, SD 57401 | 1500 N Main St | -- | Get Directions |
| Public Collection Box | Aberdeen, SD 57401 | 1815 6th Ave Se | -- | Get Directions |
| Public Collection Box | Aberdeen, SD 57401 | 2105 6th Ave Se | -- | Get Directions |
| Public Collection Box | Columbia, SD 57433 | 212 Main St | -- | Get Directions |
| Public Collection Box | Aberdeen, SD 57401 | 405 8th Ave Nw | -- | Get Directions |
| Public Collection Box | Aberdeen, SD 57401 | 615 6th Ave Se | -- | Get Directions |
| Public Collection Box | Aberdeen, SD 57401 | 703 12th Ave Ne | -- | Get Directions |
