Below is a list of Fort Leavenworth KS zip codes. For your research we have also included Fort Leavenworth Area Code, Time Zone, UTC and the local Leavenworth County FIPS Code. Each Fort Leavenworth Kansas zip code has a center Longitude / Latitude point (the Fort Leavenworth center is -94.927696228027 / 39.353099822998). For your convenience we have also indicated if that zip code in Fort Leavenworth observes Daylight Savings time.