Below is a list of Dauphin Island AL zip codes. For your research we have also included Dauphin Island Area Code, Time Zone, UTC and the local Mobile County FIPS Code. Each Dauphin Island Alabama zip code has a center Longitude / Latitude point (the Dauphin Island center is -88.078399658203 / 30.249799728394). For your convenience we have also indicated if that zip code in Dauphin Island observes Daylight Savings time.