L4Y is a Forward Sortation Area Code (FSA), It is located in West Applewood / West Dixie / NW Lakeview Mississauga in Ontario, Canada. FSA is a geographical region in which all postal codes start with the same three characters. L4Y is an Urban FSA code. The main area code of the area of L4Y is 905 289 365. There are about 554 postal codes.