what county is 30339
Zip Code 30339 Public School Demographics. 30339 is located in the state of Georgia in the Atlanta metro area. Zip code 30339 is primarily located in Cobb County. Portions of 30339 are also located in Fulton County.The official postal service name used for 30339 is ATLANTA, Georgia. Portions of the 30339 zip code are contained within or border the city limits of Vinings, GA, Sandy Springs, GA, Smyrna, GA, Marietta, GA, and Atlanta, GA.Zip code 30339 is part of area code 770, area code 678 and area code 678.ortions of the 30339 zip code are contained within or border the city limits of Vinings, GA, Sandy Springs, GA, Smyrna, GA, Marietta, GA, and Atlanta, GA. Zip code 30339 is part of area code 770, area code 678 and area code 678.