For me, nothing's more irritating and scary than to receive an anonymous call especially if that call is from someone you dread or hate a lot like telemarketers, debt collectors, prank callers, and people who give death threats. Fortunately, we do have a way on tracking them through www.reportphonenumbers.com. There, you can search for the person or company who calls you by entering the number that registered on your phone and everything's set!