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  • Lost or stolen TFN

    If you can't find your TFN

    If you can't find your TFN you can:

    • log in to your myGovExternal Link account to locate your TFN
    • look at a notice of assessment or payment summary you may have received
    • talk to your accountant, if you have one
    • phone us on 13 28 61 between 8.00am and 6.00pm Monday to Friday. You can also phone Saturday between 10.00am to 4.00pm from 1 July to 31 October.
    Log in to myGov

    If you think your TFN has been stolen

    If your TFN has been lost, stolen or accessed by an unauthorised third party, tell us as soon as possible. We may apply security measures that will monitor for any unusual or suspicious activity on your account.

    Next step:

    • If your TFN has been stolen or you suspect misuse, phone our Client Identity Support Centre on 1800 467 033 between 8.00am and 6.00pm, Monday to Friday.

    Client Identity Support Centre

    The Client Identity Support Centre is a support service for taxpayers who have had their identities stolen or misused. We'll give you information, advice and assistance to re-establish your identity.

    See also:

    Last modified: 03 Sep 2018QC 22601