Below is a list of Williamsburg County SC zip codes. For your research we have also included Williamsburg County Area Code, Time Zone, UTC and the local County FIPS Code. Each Williamsburg County South Carolina zip code has a center Longitude / Latitude point (the Williamsburg County center is -79.733299255371 / 33.661201477051). For your convenience we have also indicated if that zip code in Williamsburg County observes Daylight Savings time.