You can query the bank card account number in the following ways: 1, ABC debit card, quasi-credit card and current passbook, and the account has been maintained in the online banking system (the above three conditions must be met at the same time), then you can log in to personal online banking and click the function of "Account >: Bank Account". 2. If the account has not been maintained in the online banking system, it is recommended that the householder bring his valid ID card and the original account voucher (only valid ID card is required for account inquiry) to the Agricultural Bank of China outlets. 3. If it is a credit card, please call the customer service hotline of ABC Credit Card Center at 4006695599.