What are the Boston Harbor, Washington Zip Codes for 2020, 2019Primary Zip Codes for Boston HarborZip CodePrimary CitySecondary City98501OlympiaBoston Harbor, Maytown, Nisqually, Offutt Lake, Oly, Schneiders Prairie, South Bay, South Sound, Thompson Place, Union Mills, TumwaterCities sharing Zip Codes with Boston HarborZip CodePrimary CitySecondary CityMore Information98501OlympiaBoston Harbor98501OlympiaMaytown98501OlympiaNisqually98501OlympiaOffutt Lake98501OlympiaOly98501OlympiaSchneiders Prairie98501OlympiaSouth Bay98501OlympiaSouth Sound98501OlympiaThompson Place98501OlympiaUnion Mills98501OlympiaTumwater Tumwater population stats Advertisements