How to remove or change the phone number on your Blizzard account
Requests to change the country / region of residence on a Blizzard account.
How to change or update a Blizzard account email address.
How to resolve being unable to log in due to this error
Changing language settings for game and/or communications from Blizzard
How to consolidate multiple Blizzard accounts into a single account.
Blizzard or game account hacked or compromised.
Steps on how to create a new Administrator Profile.
How to correct an email mistake when creating or updating your Blizzard account
Troubleshooting steps for the error: "account_not_trusted_write_locked"