track package usps no tracking number can be tricky, but there are a few steps you can take. If you don’t have a tracking number, you can start by checking the USPS website or app for any information using the order number or receipt number. Additionally, contacting the sender to see if they can provide the tracking number is another option. In cases where the USPS has lost the tracking number or failed to update the system, reaching out to USPS customer service can help resolve the issue. While it’s not always possible to track a package without a tracking number, USPS provides various methods to attempt locating the shipment.