All they have to do is plumb numbers into a computer or robo dialing machine. However, google your name and number, any place such as spokeo that shows up, make them remove it.
http://800notes.com/forum/ta-9b593c6d671798c/ ... sed-to-scammers
http://krebsonsecurity.com/2014/04/u-s-states ... ch-at-experian/
http://800notes.com/forum/ta-a55d53405a192ce/ ... alware-campaign
http://www.nytimes.com/2014/08/06/technology/ ... tials.html?_r=1
Do consider maybe getting a call blocking device or phone.. You can google them and many are around $60.00 or so.
Report your callers here, not just to the DNC alone:
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:
http://800notes.com/res/DoNotCall.aspx
FCC Abandoned Calls Complaint form:
http://www.fcc.gov/cgb/consumerfacts/1088D-R.pdf
email:
[email protected]