Does Playstation 3 keep your credit card number on your account ?

May be...

Okay I just purchased the map pack 2 for call of duty world at war, and i had no money on my account but it let me buy it ^o), so I'm wondering if it gave it to me for free or if it kept my credit card number on it from last time... thanks in advance.

it does you can change it in you setting to where u will have to give it your number every time or it will already pull the exact amount from your credit card

It does but it only shows the last 4 digits. You can change it later.....













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yes they do