Change your Battle.net Account email address.
If someone changed the email address on your account, or if you can't remember what it was, we can send you a text to recover your account.
Use this page if you wish to change or modify your Contact and Shipping address for your Battle.net Account.
Need to update the phone number on your Battle.net account?
You can use this service to reset your Battle.net password, which will remove most account locks.
How to resolve being unable to log in due to this error
Troubleshooting steps for the error: "account_not_trusted_write_locked"
What to do if you corrected your country of residence in your account details but still you can't add your phone number to your account
The login servers received invalid information
How to remove or change the phone number on your Battle.net account