Why is the authorization code for texting CCB 88#88 only four digits?

Because the authorization code of CCB is a group of random numbers in the short message sent by CCB customer service 95533 when handling business, you can handle the business you want after filling it in within a limited time. When the authorization code is not received, you can send a short message "88#88" using the mobile phone number of the mobile phone bank that has been opened to actively obtain the authorization code.