I have been getting some bullshit robocalls constantly recently, some recording about Google+ blah blah blah. I just hang up and block the number. I swear 90%

I have been getting some bullshit robocalls constantly recently, some recording about Google+ blah blah blah. I just hang up and block the number. I swear 90% of my phone & snail mail spam comes from the fact that I used my real name & address (PO Box) for domain names I've registered (as required by ICANN). I mean I doubt ICANN can enforce that but it'd be a dumb way to lose my domains so I used real info.