This is a list of postal codes in Canada where the first letter is L. Postal codes beginning with L are located within the Canadian province of Ontario. Only the first three characters are listed, corresponding to the Forward Sortation Area.
Canada Post provides a free postal code look-up tool on its website, via its smartphone applications for iPhone and Android,  and sells hard-copy directories and CD-ROMs. Many vendors also sell validation tools, which allow customers to properly match addresses and postal codes. Hard-copy directories can also be consulted in all post offices, and some libraries.
Central Ontario - 164 FSAs
Rural (* = retired)
Most populated FSAs
Least populated FSAs
- Canada Post. "Canada Post - Find a Postal Code". Retrieved 9 November 2008.
- "Canada Post on mobile". Canada post. Archived from the original on 10 July 2019. Retrieved 3 August 2019.
- ftp://seismo.nrcan.gc.ca/exports/intensity/mlr.txt[permanent dead link]