Bet you didn't know that Santa Claus has more than one address? Well he does, and the zip code of his Canadian address is H0H 0H0. It is at this Canadian zip code that millions of letters get sent to. Please note that those can be Os or zeros. The Canadian Post Office lists his address twice in English and French as:
SANTA CLAUS
NORTH POLE
H0H 0H0
or
PERE NOEL
POLE NORD
H0H 0H0