Who called from 3602297583

Received a phone call from 360-229-7583.  Caller ID said Shelton, WA.   I don't know this number, so didn't answer it.  I blocked the number.

Got 3 calls today from this number. Says its in Shelton, WA. Answered on 3rd call and nothing on the other end and disconnected after 10 seconds or so.

same , 3 calls and no one there. and busy signal when called them.

I keep getting this number calling my phone and no answer, I call it back and no answer blocked the #

I picked up and said hello. It repeated "hello" twice and disconnected.Adding to the many on my blocked list!