Seneca, SD
ZIP Codes in Seneca, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57473 | 288 | 44.9915, -99.4710 |
Seneca has 1 ZIP code
ZIP Codes in Seneca, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57473 | 288 | 44.9915, -99.4710 |