You may be asked for your billing ZIP code when making online purchases or providing credit card information over the phone. But what exactly is a billing ZIP code, and why is it important?

Essentially, the billing zip code and credit card postal code are the same thing. For example, if your address was: 123 Example Street Beverly Hills, California 90210 Your billing zip code ...

You can bypass the need for a ZIP code entirely by paying in cash. Other Things to Watch Out For When Making Credit Card Purchases in the U.S. Converting your postal code to a ZIP code makes it ...