what is travel document number

A travel document number is a unique identification number assigned to your passport or any other travel document like a visa, a Green Card, a passport card, etc. . It is a set of digits that helps authorities recognize each individual traveling and is used to track and verify the identity of travelers crossing international borders. The travel document number is often required when applying for visas or traveling to certain countries, and it ensures authorities that the document is valid and not fake. You can find the travel document number on the most important page of any passport: the personal information or data page, the one with your photo. It is usually located on the right and is a 9-digit number. Each travel document has a specific number of digits, and the number on your travel document is nothing other than a set of digits used by authorities to identify a traveling person.