^What if he is from Vancouver with a Vancouver Number. I guess because he wrote in French you assumed he is from Quebec, you are Probably Right that he is from Quebec.
@fzzf, With Public Mobile you never have any overages or Pay Per use charges so call a number outside of the Province you are in and see if your call goes through, if it does then its included in your plan.
Another way to find out is follow
@Martin's advice in the above post