The numbers on a credit card help identify the credit card network, the company that issued the card and the cardholder.

Some card details on this page may be out of date. Have you ever had your credit card information stolen? EMV chips may help protect you during in-person transactions, but they can't keep you safe ...

Your credit card number isn’t just a random string of numbers. It identifies the credit card issuer, financial institution and your account. It also validates your card for security purposes. Many or ...

Liliana Hall was a writer for CNET Money covering banking, credit cards and mortgages. Previously, she wrote about personal credit for Bankrate and CreditCards.com. Some card details on this page may ...

Discover how the Luhn Algorithm verifies credit card accuracy, supports secure transactions, and helps prevent errors in inputting Social Security numbers.

Kelly-Ann Franklin has spent more than two decades in journalism which has helped her build a wide knowledge base of business and personal finance topics. Her goal with editing is to ensure tough ...

Most of us are curious beings by nature. So, if you’ve been staying awake at night wondering what your credit card number means, it’s your lucky day. I’m going to pull back the curtain and show you ...

You use your credit card on a regular basis to make purchases. While most people know that the numbers on the card are unique identifiers, most of us have no idea what they actually mean. Credit card ...