Report them here:
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/
Consider also buying a call blocker, either a device or a phone. Devices hold more numbers then a phone does. IE: The T-lock Incoming PRO Call Blocker sells for under 60 bucks on Amazon and can block up to 1500 numbers.
http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=call+blockers
305-328-8643:beware of this number called ask for my son by name said he was his friend i went repeat his name he hung up. hummm wonder how he got my sons name.I went to called back it was any automative thing about aouto loans beware