What are the Sandy Hook Park, Washington Zip Codes for 2020, 2019Primary Zip Codes for Sandy Hook ParkZip CodePrimary CitySecondary City98370PoulsboSandy Hook Park, Breidablick, Central Valley, Island Lake, Lemolo, Pearson, Scandia, Virginia, LofallCities sharing Zip Codes with Sandy Hook ParkZip CodePrimary CitySecondary CityMore Information98370PoulsboBreidablick98370PoulsboCentral Valley98370PoulsboIsland Lake98370PoulsboLemolo98370PoulsboPearson98370PoulsboSandy Hook Park98370PoulsboScandia98370PoulsboVirginia98370PoulsboLofall Lofall population stats Advertisements