I don't think they have the authority to stop a private company's service (verizon, etc.). Also, they don't monitor the calls themselves, so it would be impossi

I don't think they have the authority to stop a private company's service (verizon, etc.). Also, they don't monitor the calls themselves, so it would be impossible to tell if it was a scammer until someone reported it, and blacklisting one-by-one will never be effective since they can just change the number.