Taking the method of credit card binding mailbox as an example, the method of modifying the billing address of China Merchants Bank's credit card:

1. Log in to the credit card website, click "Online Banking Login", and enter the ID number, inquiry password and additional code. After logging in to online banking, you can query your current bill delivery method in Customer Service-Bill Delivery Method Settings and modify it.

Please call the customer service hotline. After selecting "1" Chinese service in voice, select "4" cardholder service, "2" credit limit and account management, "2" account management, and then select "3" to modify the bill provision method. According to the voice prompt, you can inquire about your current bill providing method and make changes.