Who called from 3146275546

Two calls yesterday and one today.  Hung up all three times when I answered the phone.

got call at 11.35 am

I got a call from this number twice in last 4 mins.
as soon as i say something it hangs up.
called back, doesnt even ring... silence

I have been getting blank calls from this number for weeks.  4 times today.
no messages, goes dead when picked up

Maybe something will be done if enough people complain to the FCC:
http://esupport.fcc.gov/complaints.htm?sid=&id=d1e37