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?

One of the most important pieces of data is the billing zip code associated with your credit or debit card. A billing zip code is the zip code associated with the billing address you have on file ...

a postal code is required as a security measure. If using a credit card in the U.S., you may need to use a ZIP code instead. Many or all of the products featured here are from our partners who ...

I paid my admission with a credit card, prompting the museum ticket seller to ask me: “What’s your ZIP code?” When I paused for a moment, she added: “It’s for marketing purposes.” ...

Today marks the 50th anniversary of the Zone Improvement Plan, the network of ZIP codes we use for everything from mail delivery to credit card security. The U.S. Postal Service began using the ...

Reporting from San Francisco — In a case watched closely by merchants, the state Supreme Court ruled unanimously that California retailers may no longer collect ZIP Codes from credit card ...

Candice Reeves is a financial writer based out of Nova Scotia. She specializes in personal finance, investing, and cryptocurrency. Her work is featured in leading publications across various ...