What are the Newark, Delaware Zip Codes for 2020, 2019Primary Zip Codes for NewarkZip CodePrimary CitySecondary City19702NewarkChristiana19711Newark19712NewarkAvon Products Inc19713Newark19714Newark19715Newark19716Newark19717Newark19718NewarkChristiana Medical Center19725NewarkShared Firm Zip19726NewarkShared Firm ZipCities sharing Zip Codes with NewarkZip CodePrimary CitySecondary CityMore Information19702NewarkChristiana19712NewarkAvon Products Inc19718NewarkChristiana Medical Center19725NewarkShared Firm Zip19726NewarkShared Firm ZipAdvertisements