Your credit card number usually consists of 15 or 16 digits, depending on the issuer. Every number of your credit card account conveys information, such as the industry, routing information for the ...

In the wake of the Sony fiasco, I'm considering my options with my credit card. I've already changed passwords and checked account activity with no suspicious activity, so I'll count myself lucky so ...

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 ...

This 3- or 4-digit code is a key security feature. Merchants can't store it, so it can't be stolen in a data breach Many or all of the products on this page are from partners who compensate us when ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Most of us are curious beings by nature. So, if you've been staying awake at night wondering what your 16-digit credit card number ...

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 ...

The 15- or 16-digit credit card number on the front or back of your card helps authenticate every purchase you make, whether you’re buying something in person or online. Not only that, but the way ...