What is the four-digit account number that CCB sends a message to remind the mobile phone? Thank you, everyone.

It must be the SMS error of telecom operators, and of course it may also be the error of CCB data system. It's not a big mistake to set the SMS number for users. The reason is that if the SMS balance change number is set incorrectly, you will often receive a reminder message of this number, and you will also receive a message that the business is successfully handled when setting it. Therefore, technical errors are most likely to receive error messages by accident.