Will the bank keep its mobile phone number after the SMS notification of CCB is cancelled?

After the SMS notification of CCB is cancelled, the bank will keep the mobile phone number. After the SMS notification of CCB is cancelled, the bank will keep the customer's mobile phone number, because the mobile phone number is an important contact information of the customer, and the bank needs to keep it for subsequent service and communication. Banks will abide by the relevant privacy protection regulations, keep the customer's mobile phone number confidential, and will not disclose or leak it to third parties.