Harrison County ZIP Codes
Iowa, United States · 10 codes
Harrison County in Iowa has 10 ZIP codes, from 51529 to 51579, serving 10 places.
ZIP codes in Harrison
Frequently asked questions
What is the ZIP code of Harrison?
Harrison has 10 ZIP codes, from 51529 to 51579. The table lists the places each one serves.
How many places are listed in Harrison County?
10 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.