Use this page if you wish to change/modify your Contact & Shipping address for 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 a billing profile
Account has been hacked or compromised.
Information on error BLZBNTBGS0000A413