Before you start

Unlocked handset
Passport or ID
New Zealand address and bank account, for postpaid plans
A plan for coverage outside the city if you go into the mountains

Step-by-step

1
Buy a prepaid SIM on arrival
Available at Christchurch Airport, supermarkets, and One NZ, Spark and 2degrees stores. Prepaid bundles are the sensible starting point while your address and bank account come together.
In personWho: YouDay 1
2
Consider Skinny for value
Skinny is Spark's own low-cost brand running on Spark infrastructure — the same coverage for less, which is the standard local recommendation and the right trade for most newcomers.
OnlineWho: You
3
Compare coverage against where you actually go, not where you live
All three are fine across Christchurch, so the city comparison tells you nothing. Arthur's Pass, the Craigieburn and Mount Hutt ski fields, the West Coast and the Banks Peninsula back roads are where the networks differ, and that is where it matters.
OnlineWho: You
4
Get a personal locator beacon if you tramp or ski tour
Beyond phone coverage, New Zealand's search and rescue system runs on distress beacons, and hire is cheap and available from outdoor shops and DOC visitor centres in the city. In the Southern Alps a beacon is standard equipment rather than an enthusiast's accessory, and it is what actually gets you found.
In personWho: You
5
Move to postpaid once you have an address
Contracts need a New Zealand address and bank account and typically a credit check. There is rarely a reason to hurry — prepaid and Skinny plans are competitive.
In personWho: You
6
Sort home internet and check what reaches the property
Fibre coverage across Christchurch is extensive, helped by the rebuild reopening the streets. Older properties and some rural fringe addresses fall outside it. Check the specific address rather than the suburb, particularly on the Port Hills and out toward the plains.
OnlineWho: You

Documents you’ll need

Passport or ID
New Zealand address and bank account, for postpaid
Proof of address for a fibre connection

Things most newcomers don’t know

Choose your network for the mountains, not for the city.

All three are strong across Christchurch, so the in-town comparison is meaningless. Where they diverge is Arthur's Pass, the Craigieburn range, the West Coast and the Banks Peninsula, and Christchurch is the city whose residents actually go to those places most weekends. Compare coverage maps for the specific valleys and passes you intend to use rather than for the address you live at.

Source: community-reported, corroborated by operator coverage maps

A personal locator beacon is the actual answer beyond coverage, and hiring one is cheap.

New Zealand's search and rescue system is built around distress beacons rather than mobile phones, and in the Southern Alps there is a great deal of terrain where no network reaches at all. Beacons can be hired by the day from outdoor retailers and DOC visitor centres in Christchurch. Carrying one is normal here, and treating a phone as your emergency plan in the backcountry is not.

Source: New Zealand Search and Rescue; community-reported

Skinny is the same network as Spark for less money.

It is Spark's own low-cost brand running on Spark infrastructure. You give up some retail support and get identical coverage, including identical rural coverage, which for most newcomers is the right trade. The same logic applies to the other resellers — you are paying the parent network's price for the parent network's towers either way.

Source: community-reported, widely corroborated

111 works from any phone with or without a SIM, and 105 is for everything else.

Emergency calls connect regardless of network or credit, and New Zealand also supports 111 TXT for people unable to speak. Separately, 105 is the police non-emergency line for anything that is not happening right now — a theft discovered later, a non-urgent report — and using it keeps 111 clear. Both are worth knowing in a country where you will spend real time well outside town.

Source: New Zealand Police; New Zealand emergency services

Common mistakes to avoid

Comparing networks on Christchurch coverage, which is uniformly good and tells you nothing.
Paying premium-network prices for coverage a reseller provides identically.
Treating a mobile phone as your emergency plan in the Southern Alps.
Signing a long contract before you have a permanent address.
Checking fibre availability by suburb rather than by the specific address.

Some of this may be out of date. Spotted something inaccurate? Help us keep it right for the next newcomer.

Make it your personal checklist

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