What are the Mammoth, Wyoming Zip Codes for 2020, 2019Primary Zip Codes for MammothZip CodePrimary CitySecondary City82190Yellowstone National ParkMammoth, Hot Springs, Yelwstn Nl Pk,Cities sharing Zip Codes with MammothZip CodePrimary CitySecondary CityMore Information82190Yellowstone National ParkMammoth Hot Springs82190Yellowstone National ParkYelwstn Nl Pk82190Yellowstone National ParkMammoth Mammoth population stats Advertisements