Below is a list of Waialua HI zip codes. For your research we have also included Waialua Area Code, Time Zone, UTC and the local Honolulu County FIPS Code. Each Waialua Hawaii zip code has a center Longitude / Latitude point (the Waialua center is -158.12699890137 / 21.573699951172). For your convenience we have also indicated if that zip code in Waialua observes Daylight Savings time.