Need to update the phone number on your Battle.net Account?

Let us know if you run in to an accessibility problem.

There's a problem with the connection to the Blizzard servers.

Each BattleTag is assigned a numeric ID to create a unique identifier.

Battle.net balance can't be used in the mobile version of the game.

Some games require that you add a phone number to your Battle.net account

What to do when you receive an error when adding a phone number to your Battle.net account

This is about the refund of the classic game (Diablo II, Diablo II: Lord of Destruction) that Blizzard released in the past.

Information on Phone Number Not Eligible for Callback error

Information on the sms requirement for Call of Duty