Already the case in most EU countries. I don't know if there is a commensurate robocaller problem.

Come to think of it, when I get an EU SIM, it does start getting robocalls... as soon as I give the number to some Big Legitimate Business that is supposed to be observing GDPR and whatnot.

Come to think of it, from what I know about this "mass surveillance" bullshit, robocallers being an inside job makes perfect sense.