Below is a list of Sullivans Island SC zip codes. For your research we have also included Sullivans Island Area Code, Time Zone, UTC and the local Charleston County FIPS Code. Each Sullivans Island South Carolina zip code has a center Longitude / Latitude point (the Sullivans Island center is -79.839599609375 / 32.763301849365). For your convenience we have also indicated if that zip code in Sullivans Island observes Daylight Savings time.