Understanding USPS Tracking
USPS tracking lets you follow your package from the moment it's accepted until it's delivered. Every tracked package gets a unique barcode that's scanned at key points throughout its journey. Understanding what those scan events mean can save you a lot of anxiety — and help you take action when something goes wrong.
Which USPS Services Include Tracking?
Not all mail classes include tracking by default:
- Included free: Priority Mail Express, Priority Mail, USPS Ground Advantage, Media Mail, Parcel Select
- Optional add-on: First-Class Mail letters and flats (you can purchase USPS Tracking as an extra service)
- Not available: Standard Marketing Mail, Periodicals
Common USPS Tracking Statuses — Explained
Pre-Shipment / Label Created
This means a shipping label has been generated, but USPS has not yet physically received the package. The sender may have printed the label but hasn't dropped off or scheduled a pickup. This status can last hours or days.
Accepted / In Transit to Next Facility
USPS has scanned and accepted the package. It's now moving through the postal network. "In Transit" updates may appear infrequently — this is normal and doesn't indicate a problem.
Arrived at USPS Regional Facility
Your package has reached a major processing and distribution center (PDC). These facilities sort mail by destination ZIP code and route it to the appropriate local post office.
Out for Delivery
Your package is loaded on a carrier's vehicle and will be delivered that day. Delivery typically completes before 8:00 PM, though it can occasionally run later during high-volume periods.
Delivered
The package has been delivered. The scan includes the location (e.g., front door, mailbox, parcel locker) and timestamp. If you received a "Delivered" notice but can't find your package, check with neighbors and building management before filing a claim.
Available for Pickup
The carrier attempted delivery but couldn't complete it (e.g., no safe place to leave it, signature required). A notice should be left at the address. You can pick up the package at your local Post Office or reschedule delivery online.
Delivery Attempted – No Access
The carrier could not access the delivery location (gated community, locked building, etc.). Contact USPS to arrange redelivery or pickup.
Alert – Delivery Exception
Something unusual happened — weather delay, address issue, or a damaged label. USPS will usually attempt to resolve the issue without requiring action from you, but it's worth monitoring closely.
What to Do When Tracking Stops Updating
A package that hasn't updated in several days doesn't always mean it's lost. Here's a step-by-step approach:
- Wait 24–48 hours: Tracking gaps are common, especially during weekends, holidays, or high-volume seasons. Not every facility scans every package at every stop.
- Check the expected delivery date: If the estimated delivery date hasn't passed, the package is likely still on track.
- Submit a USPS Help Request: Visit USPS.com and submit a Missing Mail search request if it's been 7 or more days past the expected delivery date.
- File a Missing Mail claim: For packages with built-in insurance (Priority Mail, Priority Mail Express), you can file an insurance claim after the waiting period.
- Contact your local Post Office: Sometimes packages are held locally and a simple call resolves the issue.
How to Sign Up for USPS Tracking Notifications
USPS offers free Informed Delivery — a service that sends you daily email digests showing mail and packages scheduled for delivery that day. You can also sign up for text or email notifications for specific tracking numbers at USPS.com.
Key Takeaway
USPS tracking is reliable for most shipments, but scan gaps are common and don't automatically signal a problem. Knowing how to read each status update — and when to take action — helps you stay informed without unnecessary worry.