usps tracking number track is the process of monitoring the status and location of a package using the tracking number provided by USPS. Once a package is shipped, USPS assigns a unique tracking number that can be used to check its progress through various stages of transit, from the moment it leaves the origin facility to its arrival at the destination. The USPS tracking system can be accessed through the official USPS website or mobile app, where users can enter the tracking number for real-time updates. This system provides information on delivery status, including estimated delivery dates, package location, and any delays or exceptions.