Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/KS/FORT-LEAVENWORTH

Fort Leavenworth ZIP code, Kansas

The ZIP code for Fort Leavenworth, KS is 66027, and its area code is 913.

USPS city name
1 ZIP code
Population
7,365
Area code
913
State
Kansas

NANPA lists no telephone rate centre for Fort Leavenworth itself, so these are the area codes of the nearest one, Leavenworth (7.0 miles). A town on an area-code boundary can differ from its neighbour.

Fort Leavenworth in numbers

About 7,365 people live in Fort Leavenworth, in 1,690 households. The median household income is $102,208 a year, 38% above the Kansas median of $74,275 (US: $80,734).

Population7,365Fort Leavenworth7,365
Households1,690Fort Leavenworth1,690
Median household income$102,208Fort Leavenworth$102,208Kansas$74,275US $80,734

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the ZIP code addressed as Fort Leavenworth. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Fort Leavenworth

ZIP codes with the USPS city name Fort Leavenworth
ZIP City Type Population Median income Median home
66027 Fort Leavenworth , KS Standard 7,365 $102,208 —

Map of Fort Leavenworth ZIP codes

66027

The ZIP codes of Fort Leavenworth, KS, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Fort Leavenworth

The nearest larger towns are Leavenworth (37,195 people, 2.7 mi), Lansing (11,246 people, 8.2 mi) and Parkville, MO (8,366 people, 15 mi).

Towns near Fort Leavenworth
TownPopulationDistance
Leavenworth 37,195 2.7 mi
Lansing 11,246 8.2 mi
Platte City, MO 4,824 8.6 mi
Parkville, MO 8,366 15.2 mi
Basehor 7,491 15.6 mi
Atchison 10,785 18.2 mi
Smithville, MO 10,705 18.6 mi
Kansas City 155,135 19.0 mi
Tonganoxie 5,891 19.6 mi
Bonner Springs 7,839 19.9 mi
Riverside, MO 4,276 20.0 mi
Edwardsville 4,724 20.3 mi
Gladstone, MO 27,207 21.7 mi
North Kansas City, MO 4,983 24.3 mi

More nearby: every ZIP code in Leavenworth County · Kansas ZIP codes

Cite this page

zipcodes.pro. “Fort Leavenworth, KS ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ks/fort-leavenworth

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