Below is a list of Papaikou HI zip codes. For your research we have also included Papaikou Area Code, Time Zone, UTC and the local Hawaii County FIPS Code. Each Papaikou Hawaii zip code has a center Longitude / Latitude point (the Papaikou center is -155.09399414062 / 19.791400909424). For your convenience we have also indicated if that zip code in Papaikou observes Daylight Savings time.