Why Are UPS Tracking Numbers So Long?

If you are a customer of UPS, then you must be wondering Why Are UPS Tracking Numbers So Long? The UPS tracking number can generally be of 18 characters for domestic packages. It contains alphanumeric characters in the format 1Z aaa aaa bb cccc ccc d. The other UPS tracking codes for its other services can range from 7-20 characters. 

The UPS codes are so long since each digit signifies specific information. For instance, at the beginning of the code, the code “1Z” signifies a domestic parcel. The second and third sets of numbers in the code signify the account number of the sender.

So similarly the remaining codes signify different things which are relevant.

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