Report them here:

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

Federal:
https://www.ftccomplaintassistant.gov/#&panel1-1
https://esupport.fcc.gov/ccmsforms/form1088.action
https://complaints.donotcall.gov/complaint/complaintcheck.aspx?panel=2
http://www.consumerfinance.gov/complaint/
http://www.stopfraud.gov/report.html
http://www.fraud.org/

free $50 walmart card
claimed I called them