Jan 24, 2017
Obviously just harvesting valid numbers (those that ring, answer, or have active voice mail) to sell to other spammers/scammers/marketeers.
I live in the area this area code is specific to, so I tried to call it back, since it called my work cell-phone. When I dialed, I got a message saying "this survey has ended", which is obviously just a ruse to throw you off the scent and (they hope) keep you from filing an FCC complaint.