Canadapost.ca

From Wikidweb

Canada Post - Candian Postal Service

Description: Official Canadian Postal Service website
--http://canadapost.ca

To look up 2 letter standard abbreviations for Provinces, use this online tool (http://www.canadapost.ca/business/tools/pcl/bin/advanced-e.asp) and use the drop down list. (This is the best I could find so far - webseo)