>"I just moved to this place and I'm getting local robocalls to my cell number" This is more than likely just a combination of National Change of Address datab

>"I just moved to this place and I'm getting local robocalls to my cell number" This is more than likely just a combination of National Change of Address database (which is updated daily, I think, and there seems to be a lot of companies selling it) and some marketing information from one of many services that sell it, almost all of which contain your cell phone.