Yes, the calls keep coming. When I asked to be removed from the list, he said that no one could do that. When I asked for his company's number, he said "are you ready to write it down? OK. 1-800 F*** you."
These people should be disconnected from the planet.
This is an FBI tracker number and this site is also ran by the Feds. There was a discussion on Reddit awhile back with screenshots. It is a bit bizarre.