This has nothing to do with Phreaking but has been edited to show as an example to those who post crap, by your local neighborhood moderator... now on with the flaming
credit cards go through a central computer for the type, a generator MAIGHT be able to guess the number, but the CVV and Name and all other info would be wrong, therefore it woudlnt work.
CC Gen's are made for programs on your computer so tha tyou can "fake" them into thinkin you've bought it...