1. To find the official WeChat account of the bank, you can inquire through the bank's website and Baidu, share your business card through a friend's official WeChat account, or ask the staff at the bank counter. After paying attention, click "Enter the official account of WeChat". Take CITIC Bank as an example:

2. After entering the official WeChat account, click "My Wallet" → "My Account".

3. After opening, select "+"to add a new bank card. If it is bound, there is no need to rebind it.

4. Enter the bank card number to be bound, click Next, and then enter the information step by step according to the page prompts.

Note: Information such as mobile phone verification code, ID number and mobile phone number reserved in the bank will also be sent when adding. You can bind a bank card account or bind multiple accounts.

5. After successful addition, if you need to query the bank number in the future, select the corresponding bank card number.

6. The system will pop up information such as the opening time and opening outlets of the bank card, in which: the opening outlets are the opening banks of the bank card.

Method 2: Telephone inquiry.

1. First, determine the customer service phone number on the bank card. The card says customer service number.

2. Call the customer service and ask the customer service for help.

Extended data:

I. Opening bank

(1) An account opening bank refers to a business outlet that handles account opening procedures.

(2) Usually used in banks, refers to banks that open bank accounts. Generally speaking, you should first apply for a passbook or bank card and send it to your bank. Passbooks will be registered, generally referring to branches.

(3) An enterprise can only have one basic account in a bank, but it can have multiple general accounts in different banks. Basic account can withdraw cash and handle transfer and remittance. Ordinary accounts can only handle transfer or remittance settlement business, and cannot withdraw cash.

Second, the bank card number

(1) Bank card number refers to the number code on the hard card issued by each bank, and there are uniform provisions for business number segments among commercial banks. The first six digits of the card number represent the identification code of the issuing bank, also called BIN number, and different BIN numbers represent different bank card organizations and card levels.

(2) The People's Bank of China uniformly distributes business segments among commercial banks, and the segments of each bank are different.

(3) Once the bank card is allocated, the basic information, amount and transaction status of the customer will be transmitted to the central bank in time, and a large amount of information such as money laundering prevention and statistics will be summarized in the central bank database, which is a convenient and unified financial management medium.

(4) Bank cards are useless except for recording customer information and capital flow information. Magnetic, easy to degauss with mobile phone.

References:

Baidu encyclopedia-bank card number

Baidu encyclopedia-account bank