Where is Zip Code 20879 map for 2020, 2019Primary Zip Codes for 20879Zip CodePrimary CitySecondary City20879GaithersburgGaithersburg, Laytonsville, Montgomery Village, Montgomry VlgCities sharing Zip Codes with 20879Zip CodePrimary CitySecondary CityMore Information20877GaithersburgMontgomery Village Montgomery Village population stats 20877GaithersburgMontgomry Vlg20879GaithersburgLaytonsville Laytonsville population stats 20879GaithersburgMontgomery Village Montgomery Village population stats 20879GaithersburgMontgomry Vlg20882GaithersburgLaytonsville Laytonsville population stats 20886Montgomery VillageGaithersburg Gaithersburg population stats 20886Montgomery VillageMontgomry Vlg20877GaithersburgGaithersburg Gaithersburg population stats 20878GaithersburgGaithersburg Gaithersburg population stats 20882GaithersburgGaithersburg Gaithersburg population stats 20883GaithersburgGaithersburg Gaithersburg population stats 20884GaithersburgGaithersburg Gaithersburg population stats 20885GaithersburgGaithersburg Gaithersburg population stats 20886Montgomery VillageMontgomery Village Montgomery Village population stats 20898GaithersburgGaithersburg Gaithersburg population stats 20899GaithersburgGaithersburg Gaithersburg population stats Advertisements