Below is a list of Great Falls VA zip codes. For your research we have also included Great Falls Area Code, Time Zone, UTC and the local Fairfax County FIPS Code. Each Great Falls Virginia zip code has a center Longitude / Latitude point (the Great Falls center is -77.293800354004 / 39.012401580811). For your convenience we have also indicated if that zip code in Great Falls observes Daylight Savings time.