Australia - https://www.donotcall.gov.au/
Canada - https://lnnte-dncl.gc.ca/en/Consumer/Register-your-number/!/
United Kingdom - https://www.tpsonline.org.uk/
United States - https://www.donotcall.gov/index.html
Australia - https://www.donotcall.gov.au/
Canada - https://lnnte-dncl.gc.ca/en/Consumer/Register-your-number/!/
United Kingdom - https://www.tpsonline.org.uk/
United States - https://www.donotcall.gov/index.html
These list also make you a likely target for scam calls.
How do these lists make you a likely target for scam calls?
They give your phone number to telemarketers and say “please don’t call this number”. I doubt anyone in the government follows up and punishes any telemarketers that ignore their strong request.