Who called from 3602030060

The number has called me three times. Once yesterday afternoon, early this morning, and now this evening. They don't leave a message either.

I've started getting calls from this number, more than once per day for the past several days.  When I finally answered, I did not say hello.  I just waited, and there was only silence from the other end, then the call disconnected

They keep calling my cell, who ate these people!