No more "crank" calls
Ordering and setting up the new call blocker was extremely easy.
By Ann B.
Saturday, November 7, 2026 · Customer reviews of US businesses

The Fair Hearing score
Great
751 reviews
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Stop Annoying All Unwanted Robocalls, Political Calls, IRS Calls And Nuisance Calls To Your Home Phone At The Touch Of A Button With The World #1 CPR Call Blocker.
CPR Call Blocker USA (callblockerusa.com) has 751 customer reviews on The Fair Hearing, with an average rating of 4.1 out of 5.
751 approved reviews, newest moderated first
Ordering and setting up the new call blocker was extremely easy.
By Ann B.
It blocks most unwanted calls.
By Vasilis R.
Added more numbers to block as had to reset unit after awhile because due to numbers blocked came upon limit. Glad this was taken care of.
By William K.
Many spam calls still go through. Multiple phones on a landline is a problem to get to the set to block.
By Joseph B.
Works well able to block others that get through Great purchase!
By Bob Z.
Works great
By Lawrence S.
You guys are awesome! No more annoying robocalls! :-) Thank you! :-) Mathieu Lemire
By Mathieu L.
So far, Call Blocker V100K seems to work effectively. And it was very easy to hook up to my phone & use.
By Inas E.