how do i track a package through usps To track a package through USPS, you can visit the USPS website and enter the tracking number provided by the sender or seller. Alternatively, you can use the USPS Mobile app or track via email notifications. USPS provides tracking for most of its services, including First-Class, Priority Mail, and Express Mail. Once the tracking number is entered, you can view the package’s current status, including its location, expected delivery date, and any delivery updates.