What are the Kirkwood, California Zip Codes for 2020, 2019Primary Zip Codes for KirkwoodZip CodePrimary CitySecondary City95646KirkwoodKirkwood, Amador Station, Black Station, Hams Station, Iron Mountain, Peddler Hill, Buckhorn, PioneerCities sharing Zip Codes with KirkwoodZip CodePrimary CitySecondary CityMore Information95646KirkwoodAmador Station95646KirkwoodBlack Station95646KirkwoodHams Station95646KirkwoodIron Mountain95646KirkwoodPeddler Hill95646KirkwoodBuckhorn Buckhorn population stats 95646KirkwoodPioneer Pioneer population stats Advertisements