What does USPS Tracking™ show?
Enter your label number to see the status of your item. If you shipped with Priority Mail Express™, you’ll get point-by-point tracking details. If you used another service—USPS Tracking™, Certified Mail™, Registered Mail™ —you’ll see when it went out for delivery.

Which services and label number formats are compatible?
Enter label numbers, spaces optional, for items using these services:

Service Sample Number
Certified Mail® 7000 0000 0000 0000 0000
9407 1000 0000 0000 0000 00
Collect on Delivery M000 0000 00
9303 3000 0000 0000 0000 00
Global Express Guaranteed® 82 000 000 00
Priority Mail Express International™ EC 000 000 000 US
Priority Mail Express™ EA 000 000 000 US
9270 1000 0000 0000 0000 00
Priority Mail International® CP 000 000 000 US
Priority Mail® 1400 0000 0000 0000 0000
9205 5000 0000 0000 0000 00
Registered Mail™ RA 000 000 000 US
9208 8000 0000 0000 0000 00
Signature Confirmation™ 2300 0000 0000 0000 0000
9202 1000 0000 0000 0000 00
USPS Tracking™ 0300 0000 0000 0000 0000
9400 1000 0000 0000 0000 00