Genworth MI Canada Customer Service Phone Numbers Customer Service: 905.287.5434 Toll-free: 1.800.511.8888 Founded: 1995 Conference ID: 9479531   Genworth MI Canada Headquarters Info, Email, Phone number, Website and live chat Information Genworth MI Canada Inc is a private residential mortgage insurer in Canada. It provides mortgage default insurance to Canadian residential mortgage lenders, making home ownership more accessible to first-time