Boone County ZIP Codes
Iowa, United States · 9 codes
Boone County in Iowa has 9 ZIP codes, from 50031 to 50223, serving 9 places.
ZIP codes in Boone
Frequently asked questions
What is the ZIP code of Boone?
Boone has 9 ZIP codes, from 50031 to 50223. The table lists the places each one serves.
How many places are listed in Boone County?
9 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.