Track U.S. mail online by entering a tracking number in the box at the top of the page at USPS.com. You can also access tracking information by going to USPS.com, clicking on Quick Tools, then selecting USPS Tracking.Continue Reading
Tracking is available over the phone 24 hours a day, seven days a week. Call 1-800-222-1811, as of December 2015. To track an item by text, send a message containing the tracking number to 2USPS (28777).
Tracking is automatically included with all USPS domestic products, with two exceptions: first class mail letters and commercial mail standard parcels do not include tracking. Customers can add tracking or destination confirmation to these products for a fee.
Tracking numbers are a series of eight to 20 numbers and letters. They can be found on mailing receipts, online label records and sales receipts.Learn more about Mail & Shipping