Welcome to USPS.com. Track packages, pay and print postage with Click-N-Ship, schedule free package pickups, look up ZIP Codes, calculate postage prices, and find everything you need for sending mail and shipping packages.

For general information, how-to steps, or to learn more about USPS products and services, check our FAQs. The most common questions have to do with tracking packages or delayed delivery.

The U.S. Postal Service (USPS) provides mail processing and delivery services to individuals and businesses in the U.S.

The United States Postal Service (USPS; also known as the Post Office, U.S. Mail, or simply the Postal Service) is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the United States, its insular areas and associated states.

Security: It Comes With the Stamp® The Postal Inspection Service is standing guard and ready to help.

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Find out how to file a complaint with the U.S. Postal Service about lost or stolen mail or mail fraud. Learn where to complain about a postal employee or facility.

Access the many services of the U.S. Postal Service. Track packages, pay and print postage, schedule free pickups, explore the newsroom, USPS Connect, Informed Delivery and more.

USPS, an acronym for United States Postal Service, is the official postal service of the United States of America. It is an independent agency of the American federal government, responsible for collecting, sorting, transporting and distributing mail and parcels across the entire national territory.

Everyone living in the United States and its territories has access to postal products and services and pays the same postage regardless of their location.