K7L is a Forward Sortation Area Code (FSA), It is located in Downtown, area bounded by Princess St., Sir John A. MacDonald Blvd and Lake Ontario Kingston Main in Ontario, Canada. FSA is a geographical region in which all postal codes start with the same three characters. K7L is an Urban FSA code. The main area code of the area of K7L is 613 343. There are about 730 postal codes.