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., 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., USPS Package Intercept. With USPS Package Intercept ® service, you can redirect domestic packages, letters, and flats with a tracking or extra services barcode as long as the items have not yet been delivered or released for delivery. Either the sender or the recipient can request to have a shipment redirected as Priority Mail ® back to the sender's address or to a Post Office™ location as , Informed Delivery is a free service from USPS that shows you preview images of incoming mail, plus status updates about your incoming and outbound packages. Get notifications in a morning Daily Digest email, or at any time from the dashboard using your smartphone, computer, or USPS Mobile app., Track one or multiple packages with UPS Tracking, use your tracking number to track the status of your package., Track your USPS packages and check their status easily with the USPS tracking tool..