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Planned system outage - 12 September 2026 | Our online services including myIR, self service phone lines and gateway services will be unavailable on Saturday 12 September, 2026 from 1pm to approximately 10.30pm while we complete a planned system update. We apologise for any inconvenience this may cause.

Tools to help you find your lost IRD number or apply for one for the first time. 

If you cannot remember your IRD number you can use our 'Find my IRD number' tool. 

Find my IRD number

If you do not have an IRD number you need to apply for one. How you apply for one depends on whether you live in New Zealand or overseas, or if you have recently arrived here. 

IRD numbers for individuals

IRD number for businesses

IRD numbers contain 9 digits. If your IRD number has 8 digits, add a 0 before entering the rest of your IRD number. 

 

Last updated: 24 Jun 2025
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