Quickly discover the phone numbers we use to call customers, so you know that it's us at One NZ.

To contact us, the fastest way is to message us with the My One NZ app.
Messaging is quick, easy, and lets you contact our team whenever it suits you.

Our Customer service number

0800 800 021 - this phone number is used by our customer service centre, and you can call us on this number.

Our Sales team

0800 777 443 - used by our sales team to call you about new products or services.

Please note: This is an outbound number only (which means that you can't call us back using the same number).
The best phone number to call us back on is our customer service centre number: 777 from mobile, or call 0800 800 021 from any phone.

09 9830799 - this phone number is used by our sales team to call you about new products or services.
This is also an outbound number only. If you see that we've called using this number, please call us back on our customer service centre number: 777 from a mobile phone, or call 0800 800 021 from any phone.

The numbers 09 9255508 and 09 9255509 are also used by our Outbound Calling Team for any new products, new services, and changes.

Online Shop

0800 837 867 - this number is used by our shop team to talk about a purchase you may have made.

Accounts

0800 080 157 - Used by our Accounts team

One NZ Retail

09 9051600 - This is used by our Retail Team to contact our Business customers.
09 9051601 - This is used by our Retail Team to contact our Consumer customers.
0800 434 448 - This is used by our Retail Support Team.

You can call back these Retail numbers for more information.