Below is a list of Summerville SC zip codes. For your research we have also included Summerville Area Code, Time Zone, UTC and the local Dorchester County FIPS Code. Each Summerville South Carolina zip code has a center Longitude / Latitude point (the Summerville center is -80.18399810791 / 33.000400543213). For your convenience we have also indicated if that zip code in Summerville observes Daylight Savings time.