1. Log in to online banking: You can see the signed credit card number and related information when logging in to online banking.
2. Log in to mobile banking: If mobile banking has been opened, you can also check the card number of your credit card.
3. Call the customer service hotline: After calling the bank credit card hotline, you can know the credit card number by providing your ID number and name.
4. Inquire at outlets: You can bring your ID card to any outlet of the issuing bank to inquire about the credit card number.