Originally Posted by
chichow
And not to derail this entirely, but at many gas stations they ask that you enter in the zip code of the credit card as part of the pre-auth. Is this legal?
I have to enter my zip code at Wal-Marts in PA when I use my Amex. I don't have to when I use a Visa or MC so I guess it depends mostly on the card network and the agreement with the merchant (and possibly the state laws).