Welcome to USPS.com. Find information on our most convenient and affordable shipping and mailing services. Use our quick tools to find locations, calculate prices, look up a Zip Code, …

The United States Postal Service ® bears no liability for lost, stolen, or damaged packages. The USPS ® is also not responsible for service delays when the package has incorrect postage, …

United States post offices operate under the authority of the United States Post Office Department (1792–1971) or the United States Postal Service (since 1971). In 2025, there are more than …

USPS.com® - USPS Tracking®

Find USPS locations like Post Offices, collection boxes, and kiosks so you can send packages, mail letters, buy stamps, apply for passports, get redeliveries, and more.

Compare USPS shipping options like Priority Mail Express, Priority Mail, First-Class Mail, and USPS Ground Advantage to find the service that's right for you.

U.S. Postal Service corporate leadership, operations, financial and community information, as well as news and reference materials and career information.

Shop our selection of Stamps on the USPS.com Postal Store

Track USPS package deliveries, get tracking text and email notifications, forward mail, change your address, and learn about setting up PO boxes or home mailboxes.

Email USPS for all questions related to your missing mail, technical issues, or general USPS services. Find more solutions for mail issues with USPS FAQs