Verizon, we NEED this. To be fair it is a regulatory issue the government needs to address. But communications companies have lobbyists and policy input. Individuals do not.
I am on the do not call list. They can not be reported because they are using caller ID spoofing. You can not report the company the callers claim to represent because they are an intermediary call center, making a jump through a caller ID spoofing service. Unfortunately this is currently legal, and not getting the attention it deserves.
Specific number blocking does not work. Because they are using caller ID spoofing.
I am a consultant with customers around the country. Not answering is not an option. This is not just an annoyance. It is a serious business issue for your professional customers.
Since it is robo-dialing they do not have "to get your number". They will find it by trial and error.