Translated and adapted from KanNZ. English edition checked on 11 October 2026. The Chinese guide was updated on 9 October 2026 and first published on 30 October 2013.
How should you save a New Zealand number? Do you keep the first zero when calling from overseas? Can a mobile prefix tell you which provider someone uses? Here are the everyday rules.
International format: +64, without the first zero
New Zealand's country code is 64. To convert a domestic landline or mobile number, add +64 and remove the leading zero. Leave the remaining digits unchanged.
- Landline: 09 XXX XXXX becomes +64 9 XXX XXXX.
- Mobile: 027 XXX XXXX becomes +64 27 XXX XXXX.
The X characters are placeholders, not real contact numbers. Do not write “+64 0…”. Saving contacts in international format helps when travelling; call availability, charges and text support depend on your plan and network.
Landlines and mobiles
Geographic area codes include 03, 04, 06, 07 and 09. Mobile numbers generally begin with 02. Number lengths vary, so do not remove digits simply to make a number fit an assumed length. Check the NAD Number Register for number ranges.
A prefix does not prove the current provider
New Zealand supports number portability. Someone can keep their number when changing providers. Prefixes such as 021, 022 or 027 therefore do not reliably identify the current network, charges or caller. NAD's register shows block allocations, not a guarantee of the provider serving an individual number.
Freephone and premium numbers
0800 and 0508 are freephone categories; 0900 is a premium-service category. When overseas or roaming, check the organisation's international contact number and your provider's charges. A New Zealand freephone number may not be reachable from overseas or free in every situation.
Which number should you use?
- 111: emergencies requiring Police, Fire or Ambulance.
- 105: reports that do not need urgent Police attendance, also available at 105 online.
- *555 from a mobile: urgent but non-life-threatening driving incidents. It does not replace 111.
Check Police guidance for the right reporting route. Caller ID alone is not proof of identity: verify unexpected requests through the organisation's published contact channels.
