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 ’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 ...

In this article, we’ll explain why ZIP codes (or postal codes as we call them in Canada) are important and how you can overcome the cross-border hurdle of needing a ZIP code for some credit card ...