States ZIP Finder Rankings About Contact

Enter a ZIP code

Home
Iowa
Osceola County

Osceola County, Iowa ZIP Codes

ZIP codes: 5
Cities: 5
State: Iowa (IA)
County FIPS: 19143

Cities in Osceola County

Ashton
Harris
Melvin
Ocheyedan
Sibley

ZIP codes in Osceola County

51232Ashton
51249Sibley
51345Harris
51350Melvin
51354Ocheyedan

All Iowa ZIP codes

Free US ZIP code lookup — city, county, state, coordinates and nearby ZIPs for every ZIP code in the country.

A product of Arventra Technologies.

ZIP codes are postal delivery routes and do not always match city or municipal boundaries.

Explore

All States
Browse Cities
Browse Counties
ZIP Finder
ZIP Rankings

Popular ZIPs

90210 — Beverly Hills, CA
10001 — New York, NY
60601 — Chicago, IL
94105 — San Francisco, CA
73301 — Austin, TX

Company

About
Contact
Privacy Policy
Terms of Use

© 2026 ZIPAtlas — US ZIP Code Lookup

33,100 ZIP codes · 52 states & territories