Alert: Get updates on mail service in California, the U.S. Virgin Islands and Puerto Rico. Read more

USPS Tracking®

Service / Sample Number

USPS Tracking® 9400 1000 0000 0000 0000 00

Priority Mail® 9205 5000 0000 0000 0000 00

Certified Mail® 9407 3000 0000 0000 0000 00

Collect On Delivery Hold For Pickup 9303 3000 0000 0000 0000 00

Global Express Guaranteed® 82 000 000 00

Service / Sample Number

Priority Mail Express International® EC 000 000 000 US

Priority Mail Express® 9270 1000 0000 0000 0000 00
EA 000 000 000 US

Priority Mail International® CP 000 000 000 US

Registered Mail™ 9208 8000 0000 0000 0000 00

Signature Confirmation™ 9202 1000 0000 0000 0000 00

Your tracking number can be found in the following places:
  • Your Post Office™ shipping receipt
  • Your sales receipt if you bought insurance at the Post Office™
  • Your email confirmation if you shipped from USPS.com
  • The shipping confirmation email you received from an online retailer
  • The bottom peel-off portion of your USPS Tracking® label
  • The back of the orange slip you received if you missed a USPS® delivery

The easiest tracking number is the one you don't have to know.

With Informed Delivery®, you never have to type in another tracking number. Sign up to:

  • See images* of incoming mail.
  • Automatically track the packages you're expecting.
  • Set up email and text alerts so you don't need to enter tracking numbers.
  • Enter USPS Delivery Instructions for your mail carrier.

Sign Up

* NOTE: Black and white (grayscale) images show the outside, front of letter-sized envelopes and mailpieces that are processed through USPS automated equipment.

Can’t find what you’re looking for?

Go to our FAQs section to find answers to your tracking questions.

FAQs