1. If you recall whether you have bound a credit card through a third-party channel, you can try to check through the binding platform.

2. You can also take your ID card to the bank where you opened your account to check the card number.

3. If your family members have helped you repay the money, you can confirm whether there is a record of the transfer out of online banking or whether it can be queried.

4. In mobile banking, select the corresponding card bound to the OneNet user and enter the verification code to view the complete card number.

5. You can use the phone to dial "95566", then press "1" according to the prompt tone, then press "1" again to select banking services, and then press "0" to select manual services. 2. After entering the manual service, just inform the manual customer service to handle the business. You can enter the ID card verification, telephone banking password and other information query according to the manual prompts.

Extended information:

Credit cards are divided into credit cards and quasi-credit cards. A credit card means that the cardholder has a certain credit limit and can consume within the credit limit. A credit card that is repaid later; a quasi-credit card refers to a quasi-credit card in which the cardholder deposits a certain amount of reserve as required. When the reserve account balance is insufficient to pay, the quasi-credit card can be overdrawn within the specified credit limit. The so-called credit card generally refers to a credit card only.

Reference materials: Credit card - Baidu Encyclopedia