Passport document number

If you’ve been asked to provide your passport number to verify your ID, here’s what you need to know.

What is an Australian passport?

An Australian passport is a travel document issued to Australian citizens by the Australian Passport Office of the Department of Foreign Affairs and Trade, both in Australia and overseas. Your passport is a document that enables you to travel internationally.

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How is a passport document number used for identification?

Most Australian citizens are issued with an Ordinary passport. To be eligible for this passport type, an applicant must satisfy the identity and citizenship requirements.

A passport is ordinarily worth 70 points in the 100 point check system. You can use it as an authoritative identity document throughout Australia.

If you’re setting up a Renter Resume on, you can add your passport document number as another form of identification.

A passport is considered a primary ID document, whereas your Australian Driver’s Licence or Medicare Card are secondary ID documents.

Primary ID documentPoints
Australian Birth Certificate or Birth Card70
Australian Passport70
Australian Citizenship Certificate70
International Passport70
Registration of Descent70

What is my passport document number?

Your passport document number is just one of many data points included on a standard Australian passport. The passport number is located on the same page as your photograph and is sometimes called a document number. You can find your document number in the top right-hand corner of the information page.

An example of an Australian Passport, highlighting the location of the document number and other details.

Can I look up my passport number online?

The safest way to find your passport number is on your physical passport. If you don’t have it on hand, you may be able to locate your passport document number on previous booking references from flights in your email. If you need to renew or apply for a passport, you can login or create an AusPassport account.

How many digits are in a passport number?

The standard Australian passport number is typically eight characters and written in alphanumeric form, meaning it can contain letters and numbers.

If you’re asked to provide your passport number, do not use spaces when you enter it, even if they appear in your actual passport.


  • Passport number as displayed in passport: N 4123456
  • Passport number: N4123456

How do I apply for an Australian passport?

To apply for a passport, visit the Australian Government’s Department of Foreign Affairs and Trade Website to apply for an AusPassport account.

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Lauren Vardy

Lauren Vardy was the Content Marketing Manager at between 2015 and 2023. Formerly a journalist at Fairfax Media and Rural Press, Lauren's expertise extends to various media groups in Australia and internationally, including the Esperance Express, Southeast Asia Globe, Colosoul Magazine, The Sunday Times, and more.