Have you registered your phone numbers on your state federal “Do not call” list but you still get sales calls offering lower interest loans, replacement windows….or whatever?

You can sue the offending caller if you’ve asked them to stop calling and they don’t, or you file your complaint with these organization who work on behalf of consumers:

https://www.ftccomplaintassistant.gov/#&panel1-1
https://esupport.fcc.gov/ccmsforms/form1088.action
https://complaints.donotcall.gov/complaint/complaintcheck.aspx?panel=2

By State DNC lists:
https://www.donotcallprotection.com/do_not_call_chart.shtml

FCC Abandoned Calls Complaint form:
https://www.fcc.gov/cgb/consumerfacts/1088D-R.pdf
email: fccinfo@fcc.gov