Leavenworth, KS ZIP Codes
Leavenworth, Kansas has 2 ZIP codes: 2 for street addresses ( and ).
Your street decides which one you use.
Which Leavenworth ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Leavenworth ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
Dashed line: Leavenworth city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Leavenworth ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 66027 | street delivery; mail may be addressed to Fort Leavenworth Fort Leavenworth |
| 66048 | street delivery Leavenworth |
Why your mail may say Leavenworth when you live outside it
Leavenworth ZIP codes also cover High Prairie Township, Kickapoo Township and Delaware Township, so a letter addressed to Leavenworth can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Leavenworth County property records show which city you are in.
Leavenworth ZIP code questions
What is the main ZIP code for Leavenworth?
66048, the ZIP code of the main Leavenworth post office at 330 Shawnee St.
What county is Leavenworth in?
Leavenworth County.
ZIP codes for towns near Leavenworth
More towns near Leavenworth: Lawrence, Olathe, Overland Park, Leawood, Independence, Lee's Summit, Blue Springs, Topeka, Manhattan.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections