In logistics, a prefix is a set of letters or numbers added at the beginning of shipment identifiers, tracking numbers, container codes, or inventory labels to indicate the type, origin, or category of goods. Prefixes facilitate standardized documentation, improve tracking accuracy, enable automated sorting, and enhance communication between shippers, carriers, and recipients. They are essential for large-scale operations involving multiple shipment types, enabling faster identification, reporting, and reconciliation of cargo in complex supply chains.

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