Who called from 3605296163

I've gotten 3 calls from this number with no message left.  I have Id that this is coming from WA state.  I'm not aware of knowing anyone in WA.  I screen my calls and am not going to answer without an identifying message.

Just started getting calls from this number with no ID or location listed in reverse look up.

Phone rings  no message  no one there

Picked up but no one was on the line.

Same thing, no message.