Unable to place an order with error "Your credit card information is not valid"
How to resolve this error when adding your phone to your Battle.net account
How to contact the Blizzard legal department.
Some free games require that you add a phone number to your Battle.net account
This phone number is not eligible for a callback. Please try another number or visit battle.net/support/help/ for additional contact options. Thank you.
What to do if you don't receive texts from Blizzard
A phone number can only be linked to one free game
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
What to do if you receive this error when adding your phone number to your Battle.net account
How to permanently delete an account.