Shipping Guides · 4 min read

Tracking Number vs Order Number: What's the Difference?

You just placed an order, and now you have two (or more) strings of letters and numbers in your confirmation email. Trying to track your package with the wrong one is one of the most common sources of "this tracking number doesn't work" confusion.

Order Number

This is generated by the store or marketplace itself (Amazon, AliExpress, Shein, a Shopify store, etc.) the moment you complete checkout. It identifies your purchase within that specific store's system — for payments, customer service, and order history. It has nothing to do with the shipping carrier and won't work on a courier's tracking page.

Tracking Number

This is generated by the shipping carrier (DHL, FedEx, China Post, USPS, etc.) once your package is physically handed over to them. It's the reference used to look up the package's real-time location and status — either on the carrier's own site or on a multi-carrier tool.

How to tell them apart

What if you can't find a tracking number at all?

This usually means one of three things:

  1. The order hasn't shipped yet — tracking numbers are typically only generated once the package is physically dispatched.
  2. The store uses a "reference number" that only becomes trackable once it reaches your country's postal system (common with budget international shipping options).
  3. The seller hasn't updated the order status yet — check your account on the store or marketplace directly, as tracking info is sometimes available there before it hits your email.

Have the right number? Check it here

Once you've confirmed you have the actual tracking number (not the order number), you can paste it into Trace24h to instantly see which carrier it belongs to and where your package currently is.