To find United States Postal Service tracking information, visit USPS.com, click on the Tracking link, enter the tracking number into the search box, and press Find. The search function is capable of searching up to 35 tracking numbers at once.
Tracking information is available for various types of mail that is sent through the United States Postal Service including priority mail, certified mail, registered mail, collect on delivery and signature confirmation. In addition to checking the mail status online, another option is to text the tracking number to 28777 to find out the tracking information. Customers can also choose to receive automatic text alerts.