Watertown, SD
ZIP Codes in Watertown, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57201 | 26,119 | 44.9367, -97.0928 |
Watertown has 1 ZIP code
ZIP Codes in Watertown, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57201 | 26,119 | 44.9367, -97.0928 |