Below is a list of Fort Knox KY zip codes. For your research we have also included Fort Knox Area Code, Time Zone, UTC and the local Hardin County FIPS Code. Each Fort Knox Kentucky zip code has a center Longitude / Latitude point (the Fort Knox center is -85.948699951172 / 37.893699645996). For your convenience we have also indicated if that zip code in Fort Knox observes Daylight Savings time.