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Use these details to contact us for GST queries, including GST registration and returns.

Call us about GST

Your query Phone number Current call wait times
General, registration and returns 0800 377 776 Call wait times unavailable
Overseas callers +64 4 832 5206 Call wait times unavailable

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

Write to us about GST

Our postal address is:

Inland Revenue
PO Box 39090
Wellington Mail Centre
Lower Hutt 5045
New Zealand

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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