USPS Tracking | United States Post Track and Trace

The United States Postal Service (USPS) is an independent agency of the U.S. federal government responsible for postal services across the United States, its territories, and associated states. Established under the U.S. Constitution, USPS provides letter delivery, package shipping, and other mail services. For tracking your mail or package, enter the tracking number in the box below or visit the official USPS website.