Desjardins Customer Service 1-800-854-7642 MasterCard Global Service 1-800-627-8372 Report a Lost or Stolen Card 1-800-454-5058 Desjardins Disputes 1-800-454-5058 Fax 1-800-878-4580 Mailing Address 1001, East Hallandale Beach Boulevard Hallandale Beach, FL,...
