What is tracking or consignment number ?
The tracking number is the number assigned to the package when it ships. The tracking number helps you know the location of your time-sensitive delivery. This is a unique ID number or code assigned to the package or parcel. The tracking number is usually printed on the shipping label as a barcode that can be scanned by anyone with a barcode reader or smartphone.
Who provides consignment number ?
The tracking number is provided by your shipping partner. If you ship parcel via speedpost,then post office will issue the tracking or consignment number.For an example , Indian post office shares tracking number after parcel is received.The tracking no format is ED859658745IN
The tracking number format changes by different countries with extension.