Leavenworth County ZIP Codes
Kansas, United States · 7 codes
Leavenworth County in Kansas has 7 ZIP codes, from 66007 to 66086, serving 7 places.
ZIP codes in Leavenworth
Frequently asked questions
What is the ZIP code of Leavenworth?
Leavenworth has 7 ZIP codes, from 66007 to 66086. The table lists the places each one serves.
How many places are listed in Leavenworth 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.