Refers to the unique number of each bank branch. \x0d\ Bank number inquiry of account opening branch: \ x0d \ x0d \ 1. There is a reserved mobile phone number: \x0d\ 1. Telephone banking: to dial the manual service inquiry, you need to provide personal information when you apply for the card at that time; \x0d\2。 Bank counter inquiry: bring the owner's ID card and bank card to the bank counter for inquiry. \x0d\ II。 No reservation number: \x0d\ Change at the bank counter: Bring the owner's ID card and bank card to the bank counter to change business. After the change, the reserved number is the currently reserved mobile phone number. \x0d\ Supplement: \x0d\ 1. The telephone number reserved when fast payment is opened is the telephone number in the personal basic information in the banking system, that is, the number reserved when the personal account is opened in the bank for the first time. \x0d\2。 When you open a bank card, you will keep your home number and mobile phone number, and it is best to change them all to the same number.