How long will the bank card take effect after the bank changes the binding number? Why is it still the same phone number after 24 hours?

Modifying the mobile phone number prompted by SMS on the bank card basically takes effect immediately. After it takes effect, the system will send the new mobile phone number to the bank counter. Modification of the mobile phone number of the bank card can take effect immediately after it is successfully modified.

To handle this business, you need to bring your bank card and ID card to the counter of the bank branch. There is no charge for handling this business, and online banking can be handled on the spot. It is best to change the reserved mobile phone number of bank card and the binding number of online banking to the same number. Specific bank regulations shall prevail.

How to change the reserved phone number in the bank card;

1, bank counter

Cardholders can bring their valid identity documents and bank cards, fill in the data change application form at the issuing bank outlets, and then go to the counter to handle it.

2. Online banking

If the cardholder changes the reserved mobile phone number in this way, he must first open the online banking function of the card, and then insert devices such as U shield into his computer and log in to online banking to modify the reserved mobile phone number.

3. Telephone banking business

The cardholder calls the customer service phone of the issuing bank, selects "Manual Service" according to the voice prompt, and then completes the relevant operation according to the prompt of the customer service staff.

Extended data:

Change the mobile phone number bound by mobile banking as follows:

1. Signing customers: You need to bring your valid ID card, any signing bank card or passbook, and your new mobile phone number (it is recommended that you bring a new mobile phone card and equipment) to any CCB outlet or ATM in China.

2. Non-contracted customers: it is not supported to modify the mobile phone number directly at present, and the bound new mobile phone number needs to be reopened after canceling the mobile banking (note: before reopening, it is necessary to ensure that the reserved mobile phone number corresponding to the bank card has been replaced with a new number). ?

China Construction Bank official website-How to inquire about changing the reserved mobile phone number for opening an account?