Pennington County ZIP Codes
South Dakota, United States · 14 codes
Pennington County in South Dakota has 14 ZIP codes, from 57701 to 57791, serving 14 places.
ZIP codes in Pennington
Frequently asked questions
What is the ZIP code of Pennington?
Pennington has 14 ZIP codes, from 57701 to 57791. The table lists the places each one serves.
How many places are listed in Pennington County?
14 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.