tracking guide
How to Track a USPS Package: Step-by-Step Guide
Learn how to track your USPS Priority Mail, First-Class, and international packages with your tracking number.
By TrackFlow Team
5 min read
Tracking Your USPS Package
USPS (United States Postal Service) provides several ways to track your mail and packages. Whether you're sending a letter or a large parcel, tracking gives you peace of mind.
1. Find Your USPS Tracking Number
Your tracking number can be found in several places:
- On your post office shipping receipt
- In your shipping confirmation email from an online retailer
- On the sales receipt if you purchased insurance at the Post Office
2. Use TrackFlow for Instant Results
The fastest way to track is using TrackFlow. Simply enter your USPS tracking number in our search bar. We automatically detect it and show you the latest status without needing to navigate through complex menus.
3. USPS Tracking Number Formats
Most USPS tracking numbers look like one of these:
- USPS Tracking: 9400 1000 0000 0000 0000 00
- Priority Mail: 9205 5000 0000 0000 0000 00
- Global Express Guaranteed: 82 000 000 00
- Priority Mail International: CP 000 000 000 US