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If you're wondering whether reports to the US FTC about Do Not Call List violators are going into the void, know that they are sending out cease and desist letters. Any info you put into the complaints for now will be evidence that they are failing to comply. (It may not get them to comply, but it's very likely to get your number on their internal "Do Not Call List" as a troublemaker.
This is the list. Any robocalls from these networks, go ahead and block them as well as reporting them.
If you get robotexts from #Trump's fundraising, you'll find it coming from one of these networks, so expect enforcement to be quashed if he gets in, though.
Companies that have gotten cease and desist letters so far:
nosanitize
https://www.google.com/search?q=%22Cease+and+Desist+Letter%22+robocalls+site%3Aftc.gov
Where to file compaints:
https://www.donotcall.gov/report.html#step1
How to look up the number to see what network it's coming from (scroll down for the last 4 digit range):
https://www.telcodata.us/search-area-code-exchange-detail
Once you know the range, you can block the whole 1000 number in one stroke using the Simple Call Blocker app, if you have an iPhone:
https://apps.apple.com/us/app/simple-call-blocker/id1409872025