Information on Blizzard Phone Notifications
Information on Phone Number Not Eligible for Callback error
How to remove your Blizzard Authenticator
Information on the Blizzard Authenticator
Information about this error when adding a phone number or an Authenticator to a Blizzard account.
How to remove or change the phone number on your Blizzard account
What to do if you receive this error when adding your phone number to your Blizzard account
How to attach an Authenticator to your Blizzard account
You have attempted to connect to an invalid server. If this problem persists, please contact Customer Support.