ZIP Code 57440 – Frankfort, South Dakota
The 57440 ZIP Code belongs to Frankfort, South Dakota. The population in this 57440 ZIP code is 476. The latitude is 44.8502 and longitude is -98.25956 in 57440 Frankfort, South Dakota. The time zone for this 57440 ZIP code is America/Chicago.
| City | Frankfort |
| Zip Code | 57440 |
| State | South Dakota |
| County | Spink |
| Population | 476 |
| Latitude | 44.8502 |
| Longitude | -98.25956 |
| Time Zone | America/Chicago |