This is a bad submission: it's trivial to get this info. Flagging. Sorry I'm also posting this comment. Top hit for "credit card number format" has all this inf

This is a bad submission: it's trivial to get this info. Flagging. Sorry I'm also posting this comment. Top hit for "credit card number format" has all this info. http://www.merriampark.com/anatomycc.htm http://www.merriampark.com/anatomycc.htm