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Originally Posted by VladS  Amex cards may be the best bet as they've yet to implement ZIP code matching as part of the authorization process. |
When I fuel my car, the pump frequently asks me to enter my "zip code" (US postal code). I never considered what would happen if I used a non-US credit card. I guess I could always take it inside to the clerk. I could see how this might be a problem for online purchases.