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 ...

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 ...

You’re at the checkout screen after an online shopping spree, ready to enter your credit card number. You type it in and instantly see a red error message ...

Millions of businesses process credit card transactions every day, and those businesses need a way to check to see if a credit card is active or not or if it's a fraudulent card. The issuing ...

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 ...

Perhaps the most important feature of any credit or debit card is the 16-digit number unique to that card. It is called an ISO number, and it is the key for linking each transaction conducted with the ...

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 ...