Using Canadian credit cards at US gas stations, without a US zip code?

[RV_Lee]

If all these random numbers are working, would 90210 not work too???

[Dany]

Hi , it has been years since mastercard has toldme this but it still works, i use 010101 as azip code and it works,my card issuer says that it is the generic zip code for canadian card in the isa area, have been using it for over 19 years and still no place that it has been refused, hope this helps,

[uchu]

Originally Posted by Dany

Hi , it has been years since mastercard has toldme this but it still works, i use 010101 as azip code and it works,my card issuer says that it is the generic zip code for canadian card in the isa area, have been using it for over 19 years and still no place that it has been refused, hope this helps,

+1 on this, with MasterCard as well. Mind you, it's been a while since I actually gassed up down south (summer 2018, to be precise).