Allen County ZIP Codes
Kansas, United States · 7 codes
Allen County in Kansas has 7 ZIP codes, from 66732 to 66772, serving 7 places.
ZIP codes in Allen
Frequently asked questions
What is the ZIP code of Allen?
Allen has 7 ZIP codes, from 66732 to 66772. The table lists the places each one serves.
How many places are listed in Allen County?
7 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.