Received a call today. Was not able to answer; however, I was expecting a package from Amazon and one was delivered to me. Presume that the other posters are accurate in that this is in fact a call from Amazon's delivery service.
Yep, this is Amazon. Seen it stated quite a bit here already, but it's them. Apparently they will call sometimes instead of come to the door, which isn't cool if you screen your calls, and they don't leave a message. Guy didn't even come to my door and knock, just called and dropped it off at the Leasing Office instead. Ah well.
Amazon delivery. It's a generic number from Amazon that is used instead of the actual driver / delivery person who is trying to contact you. Chances are the delivery person forgot something or needs an access code, etc. If you call back - it's just Amz customer service.