what is card number in atm card

The card number on an ATM or debit card is a unique 16-digit sequence, formally known as the Primary Account Number (PAN), which is typically printed on the front of the card. This crucial number serves as the main identifier linking your card to your specific bank account. The PAN helps the payment network recognize the card-issuing bank. It is essential to use this card number, along with the expiration date and the security code (CVV), when making online purchases or performing other remote transactions.