Activated Authenticator, still no extra bag slots?

[Ekon-wyrmrest-accord (Ekon)]

You might try and see if your situation is similar.

SMS notifications NZ

The phone number you’re using needs to match the country your Blizzard account is registered to. If you’ve relocated and need to update the registered country on your Blizzard account, check out this article for instructions: https://battle.net/support/article/7656

Additionally, some phone services just aren’t compatible with the SMS Protect feature.