My experience with Trucaller is that it does just about nothing. I suspect that by the time a number has been marked as spam, the offender has already switched

My experience with Trucaller is that it does just about nothing. I suspect that by the time a number has been marked as spam, the offender has already switched to a new number. I wouldn’t be surprised to learn that scammers were monitoring Trucaller and it’s ilk to determine when to change numbers.