ZIP Code 57440
Frankfort, South Dakota
ZIP Code Information
| ZIP Code | 57440 |
|---|---|
| City | Frankfort |
| State | South Dakota (SD) |
| County | Spink |
| Timezone |
America/Chicago (UTC-5)
Details
|
| Area Codes (state) | 605 Details |
| Population | 558 Details |
| Median Household Income | $49,444 Demographics |
Population and income figures: US Census Bureau, 2012–2016 ACS 5-year estimates.
ZIP code 57440 identifies a postal delivery area inside Frankfort, South Dakota. The ZIP lies within Spink County. Clocks here follow the America/Chicago time zone (UTC-5).
About 558 people live in this ZIP code, and the median household income is roughly $49,444 a year. Figures come from the U.S. Census Bureau American Community Survey and are refreshed as new five-year estimates are released.
What you can do with ZIP code 57440
- Write a mailing address: Frankfort, SD 57440. The ZIP goes last, after the state abbreviation.
- Check whether a shipping or delivery quote applies to this area — most US carriers price by ZIP code rather than by city.
- Look up the local time zone before scheduling a call — the ZIP tells you which zone applies to that address.
- Compare the ZIP with neighbouring codes to see how population and income shift block by block.
Location Map
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Frequently Asked Questions
ZIP code 57440 is located in Frankfort, South Dakota.
ZIP code 57440 is in Spink county, South Dakota.
ZIP code 57440 is in the America/Chicago timezone.