Got his this call this afternoon. No message left but at 3:25p called and it rang a couple times. No info upon research here. FYI

Got a call that hung up on me...Called it back and it picked up but no answer

who is this?  called the number back, but no answer after 20 rings.

Got a call from this number.  Caller ID shows "HW Security".  Area code from Tempe, Arizona.  I have no idea who this is, but they called at 8:45 PM, and that really grates my cheese!