postal tracking united states allows customers to monitor the status and progress of their mail and packages as they move through the U.S. Postal Service system. USPS provides tracking services for a wide range of shipping options, including Priority Mail, First-Class Mail, and more. By using the tracking number provided at the time of shipping, customers can check the real-time status of their shipment, estimated delivery time, and any updates regarding delays or issues. USPS tracking is essential for both senders and recipients to ensure timely and reliable delivery.