What are the Westerville, South Dakota Zip Codes for 2020, 2019Primary Zip Codes for WestervilleZip CodePrimary CitySecondary City57069VermillionWesterville, Greenfield, Hub City, MecklingCities sharing Zip Codes with WestervilleZip CodePrimary CitySecondary CityMore Information57069VermillionMeckling57069VermillionGreenfield57069VermillionHub City57069VermillionWestervilleAdvertisements