How to check the serial number of your bank card?

First, telephone inquiry. Call the bank customer service, listen to the voice prompt, transfer to manual service, and then ask the customer service.

Second, online inquiry. Enter the joint bank number inquiry webpage, select the bank name, province, city and keywords, and then click "Inquiry".

Users can query the joint bank number of the bank by calling the bank, going to the offline business hall of the bank to find the staff of the bank, or entering the target information on the relevant website. The total number of joint banks is 12, which is used to distinguish banks in different regions and exchange business settlement between banks in different regions. Third, WeChat WeChat official account inquiry.

(1) Pay attention to the official WeChat account of China Construction Bank.

(2) Click "Account/Integral Inquiry" in the navigation bar "Microfinance".

(3) Binding personal bank cards.

(4) After the binding is successful, click "Account/Integral Query" in the navigation bar "Microfinance" again.

(5) Click "Query Bank" to view the relevant bank numbers. Extended data:

First of all, the role of banks:

1. Banks have a great voice in currency operation, providing channels for the preservation, circulation, integration and raising of social funds, and play an extremely important role in financial institutions;

2. Banks absorb the surplus funds of residents and society in the form of deposits and provide them to individuals or groups with large capital needs in the form of loans. Banks play the role of regulating and balancing, so that social resources can be fully utilized;

3. The bank has acted as an agent for some financial products, providing related service introductions for enterprises or individuals engaged in business activities, so that users can find products and services that suit them.

Second, the bank's joint bank number is the only identification sign of regional banks. It is used for cross-regional payment and settlement services such as large payment system, small payment system, bank draft system of city commercial banks and national check imaging system (including automatic bill sorting system in some cities) organized by the People's Bank of China. The electronic banking number consists of six digits and is used for cross-regional bank settlement and fund settlement. Electronic banking number and electronic banking system, as well as the connection between heaven and earth, have been cancelled and no longer used. Users can query the joint bank number of the bank by calling the bank, going to the offline business hall of the bank to find the staff of the bank, or entering the target information on the relevant website. The total number of joint banks is 12, which is used to distinguish banks in different regions and exchange business settlement between banks in different regions.