What is USPS Tracking Number?

A tracking number is a unique number which is assigned to each mail item which is shipped through USPS. This number is used to track the mail item or package through USPS.com. If you have a tracking number then simply visit USPS.com and follow these steps to track your package or to see the status of your mail item. It is normally a 12 digit number, however, the number of digits may vary as per the service that you’re using. Please check out the table shared below to see the sample of tracking number of various services offered by USPS.


This is how Tracking Number looks like:

Service Sample Tracking 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
Priority Mail Express International EC 000 000 000 US
Priority Mail Express 9270 1000 0000 0000 0000 00
EA 000 000 000 US
Global Express Guaranteed 82 000 000 00
Priority Mail International CP 000 000 000 US
Registered Mail 9208 8000 0000 0000 0000 00
Signature Confirmation 9202 1000 0000 0000 0000 00

How to find tracking number?

These are the places where you can see your tracking number:

  • On the post office shipping receipt,
  • Check sales receipt, If you bought insurance at the post office,
  • Check your email box for a tracking number, if you’ve shipped online,
  • Check shipping confirmation email sent by an online retailer.
  • Check the bottom peel-off portion of a tracking label.
  • Check the back of the orange slip you received in case missed a USPS delivery.

So these are the places where you will most probably find the tracking number.

Have you lost your tracking number? No worries, Read Here to know how to get your tracking number back.

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