Watch the video:
Timestamps:
0:00 - Intro/Explanation
0:10 - Post-paid number error (& other errors)
0:50 - Changing Battle.net/Blizzard Region
1:05 - Check what region Battle.net/Blizzard account is
1:35 - What's required to change Battle.net region
2:05 - New/free account?If you’re trying to play MW3 or another game, or even just adding a mobile number to your Battle.net/Blizzard account you’ve possibly seen an error. If you are it’s probably because of having the wrong region set, or other issues. This video shows you possible solutions, as well as information on changing your region.
Battle.net Change Region: https://eu.battle.net/support/en/help/product/services/316/638/solution
Info on this issue: https://eu.battle.net/support/en/article/202594?flowTrackingId=6d572186-6572-41c8-abb3-192048bd0305
