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ZIP code 57440

Frankfort, SD · Spink County

About ZIP code 57440

  • ZIP code 57440 is in Frankfort, Spink County, South Dakota.
  • About 466 people live in it, which is 1.3 people per square mile.
  • Time zone: Central Standard Time.
  • The middle of the ZIP code is at 44.850, -98.260.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

Frankfort, SD

ZIP code 57440 is the post office name for Frankfort, SD. 128 people live in Frankfort. Typical household income is $68,750. A typical home costs $67,500.

  • Stronger than most towns on: Housing affordability, Clean air and low disaster risk and Cost of living.
  • Weaker than most towns on: Airport access, Walkability and Diversity & community.

See all figures for Frankfort

Nearby ZIP codes

ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.