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Find lost IRD numbers or talk to us about IRD number applications.

Check the 'Find my IRD number' tool

Fill out the form to find your IRD number. You will need to verify yourself using information that you have already registered with us.

Find my IRD number

Other ways to find your IRD number

You can also find your IRD number:

  • in myIR
  • on payslips
  • on letters or statements we've sent you
  • on your KiwiSaver statement
  • on income details from your employer
  • by calling us.

Call us about IRD numbers

Your location  Phone number
New Zealand 0800 227 774
Overseas +64 4 832 5223

Calling hours (New Zealand time)

Our calling hours are Monday to Friday, 8am to 6pm.

Calling toll-free from overseas

If you are overseas, you may be able to call our toll-free numbers depending on where you are calling from.

Toll-free numbers for overseas callers

Get help with hearing or language

Find out about our language and accessibility options for Deaf and hearing-impaired services, and services in other languages. This includes an option to listen to our services more slowly when you call us.

Language and accessibility options

Contact us in myIR

There are many self-service options in myIR, or you can use myIR to send us a secure web message.

Send us a message in myIR


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Last updated: 10 Aug 2026
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