3 ms·
A lot of the first digits are actually used for parsing. It's not a fully unique number. USPS labels (and other labels from other couriers) are an incredibly f
by thejosh 4y ago
A lot of the first digits are actually used for parsing. It's not a fully unique number.
USPS labels (and other labels from other couriers) are an incredibly fascinating subject you would never care about until you work in the industry.