Some games require that you add a phone number to your Battle.net account
What to do when you receive the error "The phone number is invalid" when adding a phone number to your Battle.net account
Use this page if you wish to change/modify your Contact & Shipping address for your Battle.net Account.
A phone number can only be linked to one free game
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
What to do if you receive this error when attempting to add your phone number to your Battle.net Account.
How to contact the Blizzard legal department.
Troubleshooting steps for communication and transmission errors.