加拿大郵政號

是地區代号.其實中國,美國也有.
沒有郵政號碼便很難把信寄到收件人,因為郵差不會幫你上網找的
你自已可在以下website找到:
http://www.canadapost.ca/personal/tools/pcl/bin/advanced-e.asp

are you talking about the postal code? different part of Canada have a different one. you need to know which place you are going to mail first.