ZIP Code 57233 – Erwin, South Dakota
The 57233 ZIP Code belongs to Erwin, South Dakota. The population in this 57233 ZIP code is 240. The latitude is 44.50992 and longitude is -97.3993 in 57233 Erwin, South Dakota. The time zone for this 57233 ZIP code is America/Chicago.
| City | Erwin |
| Zip Code | 57233 |
| State | South Dakota |
| County | Kingsbury |
| Population | 240 |
| Latitude | 44.50992 |
| Longitude | -97.3993 |
| Time Zone | America/Chicago |