Warren County ZIP Codes
Iowa, United States · 13 codes
Warren County in Iowa has 13 ZIP codes, from 50001 to 50241, serving 13 places.
ZIP codes in Warren
Frequently asked questions
What is the ZIP code of Warren?
Warren has 13 ZIP codes, from 50001 to 50241. The table lists the places each one serves.
How many places are listed in Warren 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.