Are you an Australian resident and need a tax file number (TFN)? We can help. Apply online and verify your identity at one of our participating post offices around Australia.

Am I eligible for a Tax File Number?

All Australian residents can apply for a TFN online.

Please note: This application applies to Australian residents only. If you live outside Australia, or are a permanent migrant or temporary visitor, visit the Australian Taxation Office (ATO) website for more information.

How to apply

  1. Complete the online application form by visiting the ATO website
  2. Print the application summary and gather your required identity documents to present at an interview
  3. Find a participating Post Office near you. Only selected Post Offices accept TFN applications. While bookings are not essential, you may book an appointment if you prefer
  4. To complete your application, you must visit a participating Post Office for an interview within 30 days of printing your application summary. Don't forget to bring along your application summary and required identity documents

You should receive your TFN within 28 days after your interview. The Australian Taxation Office (ATO) will mail your TFN to the postal address on your application. Your patience during the processing period is appreciated. Please do not lodge another application during this time.

More information

To learn more about applying for - and protecting - a TFN, visit the following pages on the ATO website:

Alternatively, you can contact the ATO on 13 28 61 between 8am and 6pm (EST), Monday to Friday.

To make or reschedule an appointment for an interview, call 13 13 18 or use our locations and hours tool for online bookings.