Grant County ZIP Codes
South Dakota, United States · 8 codes
Grant County in South Dakota has 8 ZIP codes, from 57216 to 57269, serving 8 places.
ZIP codes in Grant
Frequently asked questions
What is the ZIP code of Grant?
Grant has 8 ZIP codes, from 57216 to 57269. The table lists the places each one serves.
How many places are listed in Grant County?
8 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.