What does the social security card bank code 0 1, 02,03 mean?

The bank number of the social security card bank. The bank code is the line number of the social security card bank. There are many regional bank outlets. In order to identify which bank to open an account, the account number will contain the information of the opening branch when opening an account. You can find out which bank handled it through the bank account number, which is convenient for statistical bank performance. If there is something wrong with the account, you can also go to the bank to retrieve the certificate information reserved by the customer through the account number.