Postal reference
ZIP 57440, South Dakota
ZIP code 57440 is associated with Frankfort in South Dakota in the GeoNames postal reference.
Reference details
- State
- South Dakota (SD)
- ZIP code
- 57440
- Associated localities
- Frankfort
- County names in postal records
- Spink
- Approximate postal point
- 44.8084, -98.2935
View point on map ↗
Postal information is adapted from GeoNames, CC BY 4.0. Locality associations and coordinates are approximate, not ZIP boundaries or a guarantee of current mail delivery.