I answered the second time they called. Caller identified himself as with Amazon Delivery and said he didn't have a secure place to leave the package. When asked he was able to confirm he was at my address.

The caller didn't leave a message but at the same time the door bell rang six - seven times. When I asked who it was, he responded that it was an Amazon delivery. I opened the door to receive the package I knew I ordered on-line. The delivery man left in an amazon delivery truck.

Yes it was Amazon delivery that I ordered.  They will probably be  206 all the time.  That is Seattle.

Called 3 times in a row, each time it rang once and then they hung up. Have no clue who it could be or what they'd want.

Got a call from this number and they hung up immediately upon answering. Seconds later, I got a call from the Amazon delivery call center with a phone number of 877 252-2701 telling me that my amazon delivery driver was outside of my residence and he didn't want to leave a package outdoors.