Who called from 7706786070

He called. He made threatening sounds and clearing his throat.  Some type of mentally disturbed perspn.

Comes up with 'Out of Area'.  Didn't answer it and no message left.

Comes up with 'Out of Area'.  Didn't talk back, I kept talking and asking for to talk to me but no answered and no message left.

Speaks spanish to an answering machine. Female kept saying ALLO then whatever else she said.

Called and hung up when I answered. This number has called numerous times. I won't answer again.