• Lost or stolen TFN

    If you can't find your TFN

    If you can't find your TFN and do not suspect misuse, phone us on 13 28 61 between 8.00am and 8.00pm Monday to Friday and 10.00am to 4.00pm Saturday. You can also phone Sunday between 10.00am to 4.00pm from 1 July to 31 October.

    If you have a myGov account linked to the ATO, you can access your TFN online.

    Log into myGov

    If you think your TFN has been stolen

    If your TFN has been stolen or accessed by an unauthorised third party, call 1800 467 033 as soon as possible. We can apply security measures that will monitor for any unusual or suspicious activity with your TFN.

    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: 30 Jun 2017QC 22601