What ever made you think scammers and thieves would honor that list?  And those real ones that do, get fined and socked pretty good, you need to file reports..  But don't think its going to stop those scams,extortionist and thieves! Charity's and Political calls are also exempt..   but most will remove you if asked!
You can also sign up for a political no call:
http://stoppoliticalcalls.org/index.php

But stopping the phoney phone calls from the scammers and thieves is on you! There's lots of stuff you can do if you bother to read up here..

8-14-13-left recorded message-about a security system all paid for , will cost me nothing, press this number or that number to taken off list etc. sounded like ruffled papers he was going through, how phony, what a jerk, as always I just hung up. Never press a number someone tells you to unless you know for sure who it is, (bank etc, best to call thoses places you know anyway to make sure it's legit) also Unknown Name on my called ID, these low life morons called here a number of times, most of the time they hang up.

Be sure to report them on the Do Not Call registry site (i.e. the File a Complaint link):  https://complaints.donotcall.gov/complaint/complaintcheck.aspx -- if it's a recorded message, you can file a complaint under 31 days from registering on the list.  
Obviously, they aren't going to run after these guys right away - but if enough folks report them, they might take action.

my husband and I get these call everyday about 3:00 .  They do not leave
any message or names.  I never answer the phone because we do not
recognize the number. These calls are so annoying.  My husband is ill so
those calls wake him.  I am tired of racing to see who it is so won't wake
him.  Please help me stop these annoying calls.

We receive these call about 3.00 everyday.  My husband is ill and these
call annoy him and me.  I do not answer any call in which we do not
recognize the number nor name.  This number does not have a name nor company name, just the number.  Please help me rid us of these annoying calls.