What to do if the website returns "Connection Error" when adding a phone number

Before you can connect to the game servers, you must add a phone number to this account.

Information on Stimpacks in StarCraft II

Information on how to request a correction of your account information.

Information about contacting or submitting feedback about Blizzard Community teams.

Information on the Free Character Migration in World of Warcraft and WoW Classic

Information on the Race Change service in World of Warcraft

Information on the Character Transfer service in World of Warcraft and WoW Classic

What to do if you are unable to add your phone number because the wrong country code is showing.

How to create an account to play on the Public Test Realms