USPS (United States Postal Service) offers tracking for most packages and shipments. You can track your packages and shipments through the USPS website or the USPS Mobile app.

The USPS tracking service allows you to trace the path of the package or shipment in real time, and view the delivery status update. Additionally, customers can opt for status change notification via email or SMS.

USPS Tracked Service is available for domestic and international shipments, including shipping services such as Priority Mail, First-Class Mail, Priority Mail Express, Media Mail, and more. However, tracking may not be available for some international shipments due to local restrictions.

Once you have your tracking number, you can enter it on the USPS website tracking page or in the USPS Mobile app to view shipping information. The USPS tracking service also offers email or SMS notification options to notify customers of any changes in the delivery status of their shipment. In general, the USPS tracking service is a very useful service for customers who want to track their shipments and get real-time updates on delivery status.‍

More - USPS - Useful links:

what is tracking number usps?

What Happens to Undeliverable USPS

Differences between USPS and electronic tracking: which one to choose?

USPS shipments how to track your shipments

Shipping International with USPS Here's what to know about customs clearance times

Cost-effectively ship books and discs with USPS Media Mail

First-Class Mail from USPS for affordable and reliable mailing of letters and small packages

USPS Priority Mail: Fast, reliable delivery of your packages and documents

Learn about USPS tracking services to track your shipments

USPS International Customs Tracking - Track your shipment every step of the way

How to Easily Track Your USPS Parcel at US Customs