Below is a list of Stone Mountain GA zip codes. For your research we have also included Stone Mountain Area Code, Time Zone, UTC and the local Dekalb County FIPS Code. Each Stone Mountain Georgia zip code has a center Longitude / Latitude point (the Stone Mountain center is -84.169799804688 / 33.802799224854). For your convenience we have also indicated if that zip code in Stone Mountain observes Daylight Savings time.