Frankfort, SD zip code
Frankfort, South Dakota uses one zip code: 57440. Most of it is in Spink County. Together these zip codes are home to about 466 people.
Zip codes
1
Population
466
All zips combined
Largest zip
57440
466 residents
Zip codes in Frankfort
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 57440 | 466 | $54,625 |