the methods for inquiring the credit card number include online inquiry, calling the customer service of the bank, and inquiring through the bank counter.

1. Online inquiry. Log in to the bank credit card service center of the webpage through the certificate, and inquire through the online credit card business. Or the records of family members who helped to pay back the money can also be inquired;

2. Call the bank customer service. Dial the customer service phone of the card bank, enter the ID number according to the requirements of the telephone process, and you can query your credit card number information;

3. Try to find the consumption credit card documents left by using the credit card before. Generally, credit card number information will be left on such documents;

4. Have you ever bound a credit card through a third-party channel? You can try to check it through the binding platform.

5. Check through the bank counter. I went to the bank counter to provide the relevant information of credit card number, and then the staff helped to retrieve the card number.