Why do gas stations require a ZIP code for card payments while almost no other type of (physical) merchant requires this verification?

Question

Why do gas stations require a ZIP code for card payments while almost no other type of (physical) merchant requires this verification?

In: 4

Answer 1

I was told by a gas station attendant to just put in 5 numbers, it doesn’t matter if it’s actually your zip code or not. It’s just looking for 5 numbers to be entered.