What are the Potrero, California Zip Codes for 2020, 2019Primary Zip Codes for PotreroZip CodePrimary CitySecondary City91963Potrero91990PotreroYoung AmericaCities sharing Zip Codes with PotreroZip CodePrimary CitySecondary CityMore Information91990PotreroYoung AmericaAdvertisements