Track your USPS package
Enter a tracking number to continue to the official USPS tracking service.
Example: 9400 1000 0000 0000 0000 00USPS tracking helps you check the most recent shipment scan, route progress and delivery stage. This independent PostIndex guide explains common tracking-number formats, frequent status messages and practical steps to take when a package is delayed or a number is not recognised.
The United States Postal Service handles domestic mail, parcels and international postal items. USPS Tracking can show acceptance, processing, regional-facility scans, arrival at a local post office, delivery attempts and final delivery.
How to track a USPS package
- Find the tracking number in the shipment email, receipt, label or store order page.
- Copy all letters and digits exactly as shown.
- Enter the number above and select Track USPS.
- Review the latest scan, location and available delivery estimate.
USPS tracking number formats
Formats can vary by service and shipment type. Use the sender’s confirmation and the barcode label as the primary reference.
| Service or format | Example | Notes |
|---|---|---|
| USPS Tracking / Priority Mail | 9400 1000 0000 0000 0000 00 | Common 22-digit domestic format |
| Priority Mail Express | 9270 1000 0000 0000 0000 00 | Long domestic numeric format |
| Certified Mail | 9407 3000 0000 0000 0000 00 | Certified Mail example |
| International mail | EC 000 000 000 US | Two letters, nine digits and US suffix |
Where can I find my USPS tracking number?
The sender or online store normally supplies the tracking ID. Check the dispatch email, order details, receipt or shipping label. If it is missing, ask the sender because the carrier may be unable to locate a consumer shipment without a valid identifier.
USPS tracking statuses explained
Shipment information was submitted, but the carrier may not yet have the physical parcel.
The package entered the carrier network and received an initial scan.
The shipment is moving between facilities or transport hubs.
An international shipment is undergoing import or export procedures.
The parcel is assigned to the final delivery route.
The driver could not complete delivery and may leave further instructions.
An operational issue may affect the planned delivery date.
The carrier recorded delivery to the recipient or an authorised location.
Why is USPS tracking not updating?
USPS tracking may pause between processing facilities or during transportation. Sundays, holidays, severe weather, incomplete addresses and high mail volumes can delay the next scan. International mail can also pause during customs review or handover to a foreign postal operator.
- Check the number for omitted or incorrect characters.
- Allow time after label creation for the first physical scan.
- Check whether a local delivery partner received a second tracking number.
- Contact the sender if the delivery estimate passes without progress.
USPS international tracking
USPS international items may use postal-standard numbers ending in US. After export, tracking can continue through the destination postal service, but the level and timing of scan information vary by mail class and country.
USPS delivery times
Transit time depends on the purchased service, origin, destination, customs processing and local conditions. Use the live carrier estimate as the most relevant indication; general delivery ranges are not guarantees.
USPS tracking FAQ
Why is my tracking number not found?
The label may be new, the number may contain an error, or the shipment may use another carrier or service. Recheck it and allow time for the first scan.
Can I track a package without a tracking number?
Usually a tracking number, reference or delivery notice is required. Contact the sender or retailer if it was not provided.
What should I do if tracking says delivered but the package is missing?
Check safe places, reception areas, neighbours and other household members. Then contact the seller or carrier promptly if it cannot be located.
Related carriers
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