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 …

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

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 to your Post Office.

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.

USPS.com® - USPS Tracking®

Learn how to ship a package with USPS, from choosing the right mail service, packing your box, writing the address, calculating postage, and scheduling a pickup.

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.

Track your USPS packages and get updates on their delivery status.

Track your USPS packages easily by entering the tracking number to get updated delivery information.

USPS Tracking ® 9400 1000 0000 0000 0000 00 Priority Mail ® 9205 5000 0000 0000 0000 00 Certified Mail ® 9407 3000 0000 0000 0000 00 Collect on Delivery 9303 3000 0000 0000 0000 00 Global …