Man claiming to work for Time Warner Spectrum keeps calling every day and on weekends for the past three weeks. But this is from a personal cell?? I've blocked it

What the H -ll is the purpose of this? A woman called me claiming to be from
Spectrum. I called them and they said it was not from them.,she's gonna call me to
Have them change my modems to specturms. Im gonna let her know what she can do
with them! Lol!