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.

The ZIP code data allows crooks who buy these cards to create counterfeit copies of the credit and debit cards, and use them to buy gift cards and high-priced merchandise from big box retail stores.

Discover what a billing ZIP code is and why it's important for credit card transactions. Learn when it's required and how to find your billing ZIP code.

The ’00’ ZIP code strategy may not always work, so it’s practical to have a backup payment method, like a debit card or cash, while travelling in the U.S. That way, if your credit card is ...