Your billing zip code, or credit card postal code, is the five-digit number on the bottom right, which in this sample is 90210. This would be the zip code associated with your billing address. It ...

Only, the ZIP code corresponds not to the legitimate cardholder’s billing address but to the address of the hacked store at which the card in question was physically swiped (the reason for this ...

ZIP codes are five-digit numbers, such as the famous 90210. Why credit card postal codes and ZIP codes matter Your postal code or ZIP code acts as a security measure.