This is apparently today's lucky Google listing scammer number. Nobody there, but I've been getting a different number each day that this site links to that group -- they always refuse to start talking or leave messages, so I don't know for sure. The other ones have had more current threads.
I answered but didn't speak. I heard a beep and then the call disconnected. I'm sure it was another number regarding a business listing I do Not have. I receive at least five a day from all different numbers.