1, the customer service phone number of each bank is on the back of each bank card. You need to call customer service, choose manual service and let him inquire.

2. Similarly, call the customer service number on the back of the bank card, then make a choice according to the steps, and enter your own bank card number, and you can inquire.

3. If your bank card is used for online banking, just log in to your online banking and make an inquiry in my account.

If you don't meet all the above requirements, you can go to the counter of a branch of the bank and you will definitely be found out.