Below is a list of Diamondhead MS zip codes. For your research we have also included Diamondhead Area Code, Time Zone, UTC and the local Hancock County FIPS Code. Each Diamondhead Mississippi zip code has a center Longitude / Latitude point (the Diamondhead center is -89.375999450684 / 30.379999160767). For your convenience we have also indicated if that zip code in Diamondhead observes Daylight Savings time.