where is usps tracking number is a question that arises when customers need to locate the tracking number for their USPS shipment. The USPS tracking number is typically provided in the order confirmation or shipping notification emails sent to buyers. For e-commerce businesses, it is essential to include accurate tracking information in shipping notifications to keep customers informed about the status of their orders. If a customer cannot find their USPS tracking number, they can check their email or contact the seller for assistance. Tracking numbers are crucial for both sellers and buyers to ensure that items are shipped and delivered on time.