What are the Marlborough, Connecticut Zip Codes for 2020, 2019Primary Zip Codes for MarlboroughZip CodePrimary CitySecondary City06447MarlboroughCities sharing Zip Codes with MarlboroughZip CodePrimary CitySecondary CityMore Information06447MarlboroughMarlboro06447MarlboroughEast Hampton East Hampton population stats Advertisements