What are the Williston, North Dakota Zip Codes for 2020, 2019Primary Zip Codes for WillistonZip CodePrimary CitySecondary City58801WillistonWilliston, Round Prairie, Bonetraill, Buford58802WillistonCities sharing Zip Codes with WillistonZip CodePrimary CitySecondary CityMore Information58801WillistonBonetraill58801WillistonBuford58801WillistonRound PrairieAdvertisements