Only know the card number, and you can find an account bank on Baidu or according to your own experience, 95566 China Bank 95533 China Construction Bank 95599 Agricultural Bank 95588 China Industrial and Commercial Bank 95568 Minsheng Bank 95559 Bank of Communications 95577 Huaxia Bank 95555 China Merchants Bank 95528 Shanghai Pudong Development Bank 955 1 Industrial Bank 95595 Everbright Bank; Or you can call customer service to inquire.

But if you want to know the account holder, you can only ask at the bank counter. Generally, banks have the obligation to keep depositors confidential, so they will not disclose the name of the account holder.