Who called from 4242498414

I have this number on my phone while I was out. There was no name but I was afraid to call back cause I had no idea where it was from.  The only I found out was it was from Beverly Hills, CA

Let it go to voice mail, no message left.  Return calls go to a voice mailbox that is full.  Most likely spam!

Received this no. And don't reconize this no.who's number is this

This number called me.  I answered, but all I heard was silence.
I hung up.