>Could they just fix that? In my experience the zip code is built into the gas pump machines for 2 reasons: a) provide a least a modicum of security at the pum

>Could they just fix that? In my experience the zip code is built into the gas pump machines for 2 reasons: a) provide a least a modicum of security at the pumps the card user is an authorized user; and b) more importantly there is a good chance the manual input of the confirmed zip code provides a slight discount to the gas station with respect to their merchant services contract (which is probably pretty important on low margin purchases of gas).