Below is a list of Hickam AFB HI zip codes. For your research we have also included Hickam AFB Area Code, Time Zone, UTC and the local Honolulu County FIPS Code. Each Hickam AFB Hawaii zip code has a center Longitude / Latitude point (the Hickam AFB center is -157.9409942627 / 21.33930015564). For your convenience we have also indicated if that zip code in Hickam AFB observes Daylight Savings time.