<P> A UPS tracking number , for domestic packages within the United States , will usually start with `` 1Z '' followed by a 6 character shipper number ( numbers and letters ) , a 2 digit service level indicator , and finally 8 digits identifying the package ( the last digit being a check digit ) , for a total of 18 characters . </P>
<P> A UPS tracking number , for domestic packages within the United States , will usually start with `` 1Z '' followed by a 6 character shipper number ( numbers and letters ) , a 2 digit service level indicator , and finally 8 digits identifying the package ( the last digit being a check digit ) , for a total of 18 characters . </P>
who has tracking numbers that start with 1z
who has tracking numbers that start with 1z
UPS
UPS