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 …

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

2025年12月30日 · The U.S. Postal Service's new postmark process could lead to late fees and penalties when mailing time-sensitive documents.

USPS.com® - USPS Tracking®

Send mail and packages with USPS online shipping options. Choose your mail service by delivery speed, cost, and additional services like tracking and insurance.

Postage meters are regulated by a country's postal authority; for example, in the United States, the United States Postal Service specifies the rules for the creation, support, and use of postage meters.

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.

3 日前 · A change at the U.S. Postal Service could pose an issue for people who need to get bills, taxes and other mail postmarked by specific dates.

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.

How can I leave delivery instructions? If a package qualifies for the USPS Delivery Instructions™ service, you can tell USPS where to leave a package at your address, send it to a different address, or send it …