I've had four calls from this number in the last two weeks. I did get one voicemail, but there was just background noise. When I tried to call, I was unable to leave a message.
Someone called me from 347 931 6562 and knew my whole name. But whitepages.com thinks it's a mobile, US-Search doesn't think it exists, Intelius thinks it's a land line, and when I Google it, there are practically no comments anywhere