order number; ticket number; tracking number
A number assigned to a slip, order, ticket, or shipment for identification and tracking. Common in business, logistics, and customer service contexts.
Please provide the tracking number when making an inquiry.
You can check the delivery status of your package using the tracking number.
追跡番号 specifically means 'tracking number' for parcels, while 伝票番号 is broader and can refer to any slip or order number.
注文番号 is an 'order number' in a commercial transaction, whereas 伝票番号 can also be used for internal slips or tickets.
Compound of 伝票 (slip, voucher) and 番号 (number). The exact historical derivation is straightforward; the word is a modern business term.