Problem with my TFN

(Newbie)Newbie

12 Nov 2025

Good morning,

I'm [removed by moderator]

Few days ago I did with my PC the tfn.

And when I finish I revive a document when was writing It's just a document for my self and doesnt have any validity for other stuff also I need to wait 2 wenow my pc it's broken but I need this number to show to my boss.

I'm trying to accecs to ato with the email.

It's looking there it's no email registered.

I'm calling the call center but they are asking the tax number what I don't have it.

I move from the old address and I change my phone number which I was register.

In this case what it's my best option because I can not enter in contact with them.

Thanks you so much for your time

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JayATO

(Community Support)Community Support

13 Nov 2025

Hi @Zekir98,

There are a few options to help you get your TFN.

If you already have a TFN and just can't remember the number, you can find it through ATO online services. You'll need to sign in to your myGov account or login to the ATO app.

If you don't have a myGov account, you can usually find your TFN on:

your income tax notice of assessment if you've lodged a tax return
letters you've received from us
a payment summary or income statement from your employer
your superannuation account statement.

If you still can't find your TFN after checking these options, phone us on the individual enquiries line between 8:00 am and 6:00 pm, Monday to Friday. We can help you locate your TFN even with changed contact details.

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