Below is a list of Wailuku HI zip codes. For your research we have also included Wailuku Area Code, Time Zone, UTC and the local Maui County FIPS Code. Each Wailuku Hawaii zip code has a center Longitude / Latitude point (the Wailuku center is -156.50199890137 / 20.887800216675). For your convenience we have also indicated if that zip code in Wailuku observes Daylight Savings time.