Find a missing package that shows it was not yet delivered.
Occasionally packages can become "temporarily' lost. This is usually caused by a carrier sort error. The package typically shows up on tracking after @ 36 hours.
It is recommended your contact the carrier directly for help locating your package. They can usually start a trace after a minimum wait time.
USPS 1-800-275-8777 Read our tutorial on how to do a USPS online package search (this is more than just tracking).
FedEx 1.800.463.3339
UPS 1-800-742-5877
Further assistance after contacting the carrier.
International shipment: Verify the latest tracking information. If the item is with your local postal service, contacting them directly would be the best course of action.
If the item has arrived in country but has not moved for several days, the most likely cause is Customs clearance delays.