Hardin County ZIP Codes
Iowa, United States · 13 codes
Hardin County in Iowa has 13 ZIP codes, from 50006 to 50672, serving 13 places.
ZIP codes in Hardin
Frequently asked questions
What is the ZIP code of Hardin?
Hardin has 13 ZIP codes, from 50006 to 50672. The table lists the places each one serves.
How many places are listed in Hardin County?
13 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.