Who called from 7603877076

Received call - No message left.

Called.  I don't answer unrecognized numbers.  Caller left no message.

left no message. called back from Skype and no answer.  just another one of my daily mystery calls.

recv'd call.          one ring.  no answer

Called and left no message. Tired of these multiple calls coming from scammers. Now blocking the number, but another will show up.