ISO 3166-2 subcodes.
| AB | Alberta | Province |
| BC | British Columbia | Province |
| MB | Manitoba | Province |
| NB | New Brunswick | Province |
| NL | Newfoundland and Labrador | Province |
| NS | Nova Scotia | Province |
| NT | Northwest Territories | Territory |
| NU | Nunavut | Territory |
| ON | Ontario | Province |
| PE | Prince Edward Island | Province |
| QC | Quebec | Province |
| SK | Saskatchewan | Province |
| YT | Yukon Territory | Territory |