Apps changing region settings and SMS recipient country code

hi, some of my app change my region

geenrally all settings not change, but when i rejecting the call, the area code change and my sms (text message) are send to +420 Czech Republic numbers

insted sending text messege caler number 123 456 789, text messege is sending to +4********9

solution is only go to region settings, change region to another one, and change back to my orginal one

do somebody had the same issue, and find solution insted of delete app by app ?

[Edited by Moderator]