I still don't see how VZW should take that responsibility. If you say that they should block unknown, blocked or private numbers then you may miss legitimate calls. Granted, any legitimate business shouldn't block their number but, again, what would you do if you missed an important call because they blocked these types of calls. VZW is saving their own behinds by not blocking calls. If you pay for that service then they cannot be held responsible for you missing calls because you have opted into having blocked caller ID calls not reach you so in the event you do miss an important call because it was blocked VZW is not on the hook. That is most likely the reason what you're asking for is a paid option. That means you are fully aware of the ramifications of your request.