Bank of Communications Credit Card can modify the billing address by paying attention to the official account of Bank of Communications Credit Card WeChat, calling the credit card customer service number for manual customer service, and logging in to Bank of Communications Credit Card Center official website and online banking. \x0d\\x0d\ Let's take the official account of Bank of Communications WeChat to modify the billing address as an example: \x0d\ 1. Enter "Bank of Communications Credit Card" in the column of adding friends to WeChat to add the official account of WeChat; \x0d\ 2。 Enter the dialog box and click "Easy to Use" at the bottom of the screen; \x0d\ 3。 Click here to update your mailing address information on the screen; \x0d\ 4。 After entering the credit card number and inquiry password, click "Login"; \x0d\ 5。 Select the credit card whose billing address you want to modify; \x0d\ 6。 Select "Modify mailing address"; \x0d\ 7。 Click "Update Mailing Address"; \x0d\ 8。 Enter the received verification code, add a new mailing address, and then click OK. The billing address was modified successfully.