I did that and they kept calling me twice a day from different numbers for months (without leaving a message). Solution was to buy an app for 2€ and block the w

I did that and they kept calling me twice a day from different numbers for months (without leaving a message). Solution was to buy an app for 2€ and block the whole range (Vorwahl). Android should be able to block ranges of phone numbers but I didn't figure out how. Germany this year.