What are the South Norwalk, Connecticut Zip Codes for 2020, 2019Primary Zip Codes for South NorwalkZip CodePrimary CitySecondary City06854NorwalkSouth NorwalkCities sharing Zip Codes with South NorwalkZip CodePrimary CitySecondary CityMore Information06854NorwalkSouth NorwalkAdvertisements