Bank of Communications credit card reserved phone number change phone number change: If the cardholder needs to change his mobile phone number, he can use the original number to call the customer service phone of Bank of Communications before the original phone number of the credit card is deactivated. The customer service will check the identity information with the cardholder, such as the cardholder's work unit, ID number, home address, etc., and then change the reserved phone number of the Bank of Communications credit card.

Change of Bank of Communications Credit Card Reservation Telephone Number Counter: Some banks can't change the Bank of Communications Credit Card Reservation Telephone Number by telephone, and cardholders need to bring valid ID cards to the Bank of Communications counter outlets to change the Bank of Communications Credit Card Reservation Telephone Number.