A primary account number is a unique identifier for a credit, debit, or other form of payment card.

Enter your debit card number, account number, or user ID to verify your identity before speaking with a customer care agent. Chase also provides voice recognition.

What is a debit card? Debit cards pay for purchases using money from your bank account. Here we'll explain everything you need to know about how these cards work.

Wondering if a debit card is a checking account? Discover the similarities and differences between these two essential financial products.

Q: Why are they increasingly focusing on debit card mag stripe data, account numbers and PINs? A: Debit cards are tied directly to someone's bank account. As a result, there is typically a high ...

Now, if the fraud involves a stolen account number and not the card itself, then you have no liability. You really have your best possible fraud protection with a credit card.