Below is a list of Saint Johns FL zip codes. For your research we have also included Saint Johns Area Code, Time Zone, UTC and the local Saint Johns County FIPS Code. Each Saint Johns Florida zip code has a center Longitude / Latitude point (the Saint Johns center is -81.625701904297 / 30.091199874878). For your convenience we have also indicated if that zip code in Saint Johns observes Daylight Savings time.