Below is a list of South Riding VA zip codes. For your research we have also included South Riding Area Code, Time Zone, UTC and the local Loudoun County FIPS Code. Each South Riding Virginia zip code has a center Longitude / Latitude point (the South Riding center is -77.517997741699 / 38.907600402832). For your convenience we have also indicated if that zip code in South Riding observes Daylight Savings time.