Why Are UPS Tracking Numbers So Long?

As with other big courier facilities, UPS has long tracking number. So you must be wondering Why Are UPS Tracking Numbers So Long? The UPS tracking number consists of 18-digit alphanumeric characters, for its domestic packages. Each digit has a special significance which conveys some information. 

The UPS tracking number is of the format 1Z xxx xxx yy zzzz zzz c. Each digit signifies some information relating to the package. For example, the first two digits, “1Z”, signifies that the package is a domestic package.

Similarly, the second and third sets of numbers signify the account number of the customer.

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