What are the Washburn, Tennessee Zip Codes for 2020, 2019Primary Zip Codes for WashburnZip CodePrimary CitySecondary City37848Powder SpringsWashburn, Powder Spgs37888WashburnCities sharing Zip Codes with WashburnZip CodePrimary CitySecondary CityMore Information37848Powder SpringsPowder Spgs37848Powder SpringsWashburnAdvertisements