Caller ID showed Fort Mitchell KY. I'm assuming an auto attendant listened for a response because my answering machine recorded an automated sounding "goodbye" a few seconds after my outgoing message completed.
Caller ID indicated Call was from Ft. Mitchell, Ky. As I was not familiar with the number or anyone in Kentucky, I let the recorder pick up the call. No message left. I will turn the # into the Attorney General of my State as I am on the Do not Call Registry. (Not that it Will Do Any Good).