Are you aware of call blocker technology?
Have you googled/searched for "Call Blocker?
Call blockers are available as phones, apps (some free) and standalone devices.
Remember,
The Do Not Call List is NOT a call blocker!
Here is 800notes' discussion on call blockers:
http://800notes.com/forum/ta-5d4e343675a5629/call-blocking-devices
Here are two pages of links to (mostly government) sites in Canada and the USA were you can report phone scams, or learn more about them.
Look here first:
http://800notes.com/arts/I2neMkbUAAo/where-to-report-phone-crime
If the reporting site you wanted is not in the above list, try this one:
http://phonehelp.2truth.com/complaint_sites.html
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Please reply to this post, to let us know you read it, or have taken suitable actions to protect yourself.