USPS Priority Mail International shipments can be tracked online via the USPS website. End-to-end tracking is available with USPS tracking, and up to 11 scan events are recorded as a package makes its way from one destination to another.
Postal customers can also opt to receive text alerts that allows them to track the delivery status of a package as updates are made. To use this service, customers should text their individual tracking numbers to 28777. For Priority Mail International, all package numbers begin with the prefix "CP" and features a series of nine digits followed by the letters "US."