Translation guide
A unique identifier assigned to a package or shipment that allows you to monitor its delivery status.
追跡番号は何ですか？
What's the tracking number?
追跡番号はありますか？
Do you have a tracking number?
The code used to track a parcel or delivery online or via an app.
追跡番号 is the most universal and understood by all carriers. Use お問い合わせ番号 specifically for Japan Post services that use that terminology. In casual conversation, simply saying 番号 (number) is often enough if context is clear.
Standard term used by Japan Post and most courier services. Literally 'tracking number'.
追跡番号を入力してください。
Please enter the tracking number.
追跡番号で荷物の状況を確認できます。
You can check the status of your package with the tracking number.
Used by Japan Post for registered mail and some services. More customer-service oriented, meaning 'inquiry number'.
お問い合わせ番号は伝票に記載されています。
The tracking number is printed on the slip.
Used by some courier companies like Yamato Transport. Refers to the number on the waybill.
送り状番号がわからない場合は、差出人にお問い合わせください。
If you don't know the tracking number, please contact the sender.