What are the Alpharetta, Georgia Zip Codes for 2020, 2019Primary Zip Codes for AlpharettaZip CodePrimary CitySecondary City30004AlpharettaMilton30005AlpharettaJohns Creek30009AlpharettaMilton30022AlpharettaJohns Creek30023AlpharettaCities sharing Zip Codes with AlpharettaZip CodePrimary CitySecondary CityMore Information30004AlpharettaMilton Milton population stats 30005AlpharettaJohns Creek Johns Creek population stats 30009AlpharettaMilton Milton population stats 30022AlpharettaJohns Creek Johns Creek population stats Advertisements