USPS.com® - USPS Tracking® 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. Click Change Delivery Instructions on the tracking results page to leave your request. Learn the basics of USPS Tracking®, including how to track your mail and understand tracking information. Track your packages and mail online with USPS Tracking to check status, location, and delivery updates. Learn about the customs forms you need when you ship a package to another country, including US military bases abroad. Then, use Click-N-Ship or the USPS Customs Forms Tool to print customs forms. 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 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 shipments online with ease using the USPS Tracking® tool. Related Services & Links USPS Tracking® Provides tracking updates, including the date and time of delivery or attempted delivery. Signature Confirmation™ Maintain security with confirmation of delivery by signature. Business Mail 101 Discover ways your business can work with us to cut costs and receive discounts. Extra Services 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.