Dec 18, 2014
File complaints with your local LE and also with your phone service provider.
http://800notes.com/arts/I2neMkbUAAo/where-to-report-phone-crime
With cell phones, some already have call blocking, if not, there are free apps on the web that will work for some. You can google this. If you have a smart phone, there is a free app called call control. Iphones appear to have apps also. Another one is called Mr. Number.