Sinai, SD
ZIP Codes in Sinai, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57061 | 174 | 44.2445, -97.0440 |
Sinai has 1 ZIP code
ZIP Codes in Sinai, South Dakota
January 19, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 57061 | 174 | 44.2445, -97.0440 |