Information on Blizzard Phone Notifications
How to remove or change the phone number on your Blizzard account
Information on the Blizzard Authenticator
If you're seeing this message, check your email for details about the violation and a link to information on the appeals process.
Instructions to check the status of an order placed on the Blizzard Shop
Information on the Appearance Change service
Information on Phone Number Not Eligible for Callback error
Out-of-date drivers and operating systems can cause a variety of issues, and are one of the first things to check when a game is having problems.
Requests to change the country / region of residence on a Blizzard account.
Information on error BLZBNTBTS0000000B