I don't see where you mention getting a delivery notice left on your door. Chances are the calltag ended up on the wrong truck or never made it out the door. In either case , someone with no Integrity sheeted it or instructed someone to sheet the calltag as NR1.
Our management has us do the phantom NI 1 all the time or NR 1. It is impossible for us to tell you exactly what happend because so many diffrent things happen every day. I would call the 1800 # and get them to send the driver to get it and keep bugging them till they do it.