Delaware County ZIP Codes
Iowa, United States · 10 codes
Delaware County in Iowa has 10 ZIP codes, from 50654 to 52330, serving 10 places.
ZIP codes in Delaware
Frequently asked questions
What is the ZIP code of Delaware?
Delaware has 10 ZIP codes, from 50654 to 52330. The table lists the places each one serves.
How many places are listed in Delaware 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.