For nearly three months, I've been having trouble getting authorization to buy gas at the pump using my debit card. Authorization would fail upon having to enter my zip code. This was happening to my personal debit card and business card. The response was: "Authorization Failure-Please See Cashier." Well none of the cashiers at any of the gas stations (any gas station that authorized based on zip code) couldn't explain why this was happening. So I called my bank several times before I finally fo...