Below is a list of Sumter County SC zip codes. For your research we have also included Sumter County Area Code, Time Zone, UTC and the local County FIPS Code. Each Sumter County South Carolina zip code has a center Longitude / Latitude point (the Sumter County center is -80.415702819824 / 33.949600219727). For your convenience we have also indicated if that zip code in Sumter County observes Daylight Savings time.