Osceola County ZIP Codes
Iowa, United States · 5 codes
Osceola County in Iowa has 5 ZIP codes, from 51232 to 51354, serving 5 places.
ZIP codes in Osceola
Frequently asked questions
What is the ZIP code of Osceola?
Osceola has 5 ZIP codes, from 51232 to 51354. The table lists the places each one serves.
How many places are listed in Osceola County?
5 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.