The best course of action is to contact the local carrier so their agents can utilise their more extensive network to find out more about your order. Be sure to have your local tracking number handy when you do so. You can find out more about your tracking number please see below:
PF Logistics (example)
NEXAU - Your order is with Aramex and you may contact them by Submitting a request.
Aramex (example)
BN - Your order is with Aramex and you may contact them by Submitting a request.
Australia Post (example)
WJY - Your order is with Australia Post and you may contact them by Submitting a request.