ZIP code · Frankfort · South Dakota · United States

ZIP code 57440 — Frankfort

Name: Frankfort (57440)
Address: South Dakota, 57440, US

ZIP code 57440 serves Frankfort, South Dakota.

Postal code: 57440
Single source Value from one source, not cross-checked.
City: Frankfort
County: Spink
State: South Dakota
Country: United States
Coordinates: 44.8084, -98.2935 — precision precise (locality)
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Nearby localities

57436Doland · 16 km
57469Redfield · 19 km
57476Tulare · 22 km
57424Ashton · 28 km
57348Hitchcock · 28 km
57477Turton · 30 km
57258Raymond · 30 km
57322Carpenter · 34 km
57386Yale · 38 km
57434Conde · 38 km

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page