The passport number is one of the most important pieces of information on your passport. It is a unique identifier that is used to track your passport and ensure that it is returned to you if it is lost or stolen. The passport number is also used to verify your identity when you apply for a visa or travel to another country. If you are ever asked for your passport number, be sure to give it only to someone who you trust. After all, with this information, they could easily impersonate you and travel the world without your knowledge.
Updated: Jun 14, 2022