Amazon/Shipping :(

I do realize that this is the holiday season but another of my packages is showing as having been delivered and it has not been. I am getting really frustrated with this and do not understand why I am having such issues. I have moved but all the address information has been changed/updated. It seems that there is a problem with the shipping department at the warehouse my orders are now coming out of, which frustrates me because there doesn't seem to be anything I can do about it.