Last checked: 24 October 2026
A newcomer needs a local SIM or plan for a New Zealand number, but a monthly contract usually needs a NZ bank account, address and visa first. Start with a prepaid SIM or visitor pack from One NZ, Spark or 2degrees, and use a data only Slashtel eSIM for the first days so maps, messages and bank apps work before the local line is sorted.
New Zealand SIM card for international students: what you need
You need an unlocked, compatible phone and a prepaid SIM from One NZ, Spark or 2degrees to get a New Zealand number quickly. A monthly contract comes later, once you have a NZ address, bank account and visa evidence. No mandatory prepaid registration law was found, though a passport copy may be taken in store.
What to have ready:
- A phone that is unlocked by your overseas provider, which Spark lists as a requirement.
- Your international passport, which operators accept.
- A visa document if you later move to a monthly plan: 2degrees lists a current work, student or residence visa for in store sign up.
- A NZ residential address and a NZ bank account or NZ credit card for a monthly plan.
Prepaid SIMs and visitor travel packs need no NZ bank account. Spark suggests its NZ Travel Packs for stays up to three months and Pay Monthly for longer stays. Spark also offers an eSIM with a NZ number for compatible phones. Whether One NZ and 2degrees offer eSIMs to newcomers is not confirmed, so check their own pages. See the New Zealand plan page for data options.
Prepaid SIM or monthly contract: which comes first
Prepaid comes first. It needs no NZ bank account and gives you a number straight away, while a monthly contract depends on documents you may not have in week one. Move to Pay Monthly once your bank account and address proof are in place.
Why the order matters:
- A 2degrees Pay Monthly plan needs a NZ residential address and a NZ bank account or NZ credit card.
- Online or phone sign up at 2degrees needs a NZ driver licence, so passport holders must visit a store.
- Spark says opening a Pay Monthly account may involve a credit check.
- Pay Monthly without a credit check is not confirmed, so ask the operator.
Where to buy prepaid: operator stores, and Spark has kiosks at Auckland and Christchurch airports. Store ID practice is not confirmed, so the operator will confirm what it asks for.
How long the paperwork takes
Two waits shape your first month: the IRD number, usually within 2 days by text or email if approved, and a bank account, which can take longer because branches in busy cities may be booked up to a month ahead. Start both early.
- IRD number: apply through myIR with passport details and your INZ application number if you hold a visa. Visa holders must apply by the final arrival date on their visa. Australian passport holders usually get it within 4 to 6 weeks of arrival.
- Bank account: some banks, ANZ most often cited, let you apply before moving, with activation in a branch using your passport and proof of NZ address.
- Address proof: banks may refuse hostel letters, which delays the account and therefore a monthly plan.
These waits are from third party guides and operator help pages, so confirm current times with Inland Revenue and your bank.
Your first 30 days in New Zealand: a timeline
Days 1 to 3 are for a prepaid SIM and a data eSIM, week 1 for the bank appointment and IRD application, and weeks 2 to 4 for a monthly plan once documents land. Keep the order flexible around appointment availability.
- Before the flight: buy and install a Slashtel eSIM, since validity starts when it first connects at the destination.
- Day 1: buy a prepaid SIM at the airport or a store for a local number.
- Day 1 to 3: book the bank appointment, as the next slot can be up to a month away.
- Week 1: apply for the IRD number through myIR.
- Weeks 2 to 4: once the bank account and address proof exist, ask about Pay Monthly.
For the wider move, see moving abroad.
Staying connected until your local plan is ready
A Slashtel eSIM covers data from landing until the local line works. It is data only, with no local number and no calls or SMS, but WhatsApp and other internet calls run over the data. Options run from 1 GB to 20 GB, for example from $7.89.
How it works:
- Buy online with an email address and a card, Apple Pay or Google Pay. The QR code arrives by email within minutes.
- Install it at home before the flight. Validity starts when it first connects in New Zealand.
- The network is chosen automatically and cannot be picked by hand.
- Add more data to the same eSIM later, with no new QR code.
- Check the phone is unlocked and eSIM compatible with the compatibility guide and the install guide.
Size the plan with the data calculator.
Getting a local number for your bank and admin
A local number is needed for bank codes, appointment confirmations and admin, and a prepaid local SIM gives you one. The Slashtel eSIM does not give a number, so treat it as data only and keep a number carrying line for verification.
- Use the prepaid SIM from One NZ, Spark or 2degrees as your number for the bank and IRD.
- Keep that SIM in the phone for codes while the eSIM handles data.
- If a code goes to your home number instead, see calls, texts and OTPs with a data eSIM.
A New Zealand bank account is the document that unlocks a monthly plan, so open it before shopping for a phone plan New Zealand operators offer on contract.
When family visits you in New Zealand
Visitors can use a Slashtel eSIM for the trip, and you can buy it for them: enter the visitor's email at checkout so the QR code goes straight to the person who will use it. They keep their home SIM for calls.
- Pick a data size for the length of stay, from 1 GB to 20 GB.
- Have them install it before travel, or send the QR code to their email.
- Remind them to turn off data roaming on the home SIM to avoid roaming charges.
- A prepaid sim New Zealand visitors buy locally is the other option if they want a local number.
This suits a sim card for parents visiting New Zealand who mainly need maps and messages.
Keeping your home number active
Keep the home SIM in the phone for calls and bank codes, with data roaming off, and top it up so the line stays live. Slashtel sells mobile top ups to more than 100 countries, delivered in minutes.
- Turn off data roaming on the home SIM to avoid charges.
- Use the eSIM for data and the home line for codes.
- Top up before the credit expires with the top up service or read keeping your number active.
This keeps two factor codes working while you set up a New Zealand bank account and local number.
First-week catches to avoid
Most delays come from doing things in the wrong order: a locked phone, a missing bank account or refused address proof. Fix the phone and the bank first, then the plan.
- Unlock the phone with your home provider before a NZ SIM will work, as Spark notes.
- Open the bank account before a monthly plan, since 2degrees needs a NZ account or card and a NZ address.
- Expect a store visit for Pay Monthly with a passport, as online sign up needs a NZ driver licence.
- Ask the bank what address proof it accepts before relying on a hostel letter.
Where a detail is not confirmed, the operator or official site will confirm it. Students can also read the student guide.
See live New Zealand eSIM plans before you travel.
Sources
Checked 2026-10-24. Rules and waiting times change, so check the official sites before you rely on them.
- Inland Revenue: https://www.ird.govt.nz/new-arrival
- 2degrees: https://www.2degrees.nz/help/mobile-help/plans/help-joining-pay-monthly
- Spark: https://spark.co.nz/help/mobile/manage/change-mobile-plan
- Spark: https://www.spark.co.nz/help/mobile/roaming/visiting-nz/
- OrbitRemit: https://blog.orbitremit.com/how-to-get-sim-card-new-zealand-migrants/
- NZ Pocket Guide: https://nzpocketguide.com/tips-quickly-open-bank-account-new-zealand/
- Commonwealth Bank: https://www.commbank.com.au/articles/banking/opening-a-bank-account-in-new-zealand.html
Questions, answered
Can I get a phone plan in New Zealand without a NZ bank account?
Yes, on prepaid. Prepay plans and visitor travel packs from One NZ, Spark and 2degrees need no NZ bank account. A monthly contract usually needs a NZ bank account or NZ credit card and a NZ residential address, per 2degrees.
Do I need ID to buy a prepaid SIM in New Zealand?
No mandatory prepaid registration law was found, and Spark's visitor page does not mention ID. A third party guide says a passport copy is taken in store, so store ID practice is not confirmed and the operator will confirm.
How long does a New Zealand bank account take to open?
Some banks, ANZ most often cited, let you apply before moving, with activation in a branch using your passport and proof of NZ address. In busy cities the next appointment can be up to a month away, according to a third party guide.
How long does an IRD number take for a new arrival?
Usually within 2 days by text or email if approved. Apply through myIR with passport details and your INZ application number if you hold a visa, and visa holders must apply by the final arrival date on their visa.
Is there an eSIM New Zealand option for the first days?
Yes. A Slashtel eSIM is data only, bought online and installed before the flight, with validity starting when it first connects in New Zealand. It gives no local number, so pair it with a prepaid SIM for calls and codes.
Can my parents use a sim card for parents visiting New Zealand?
Yes. You can buy a Slashtel eSIM and enter the visitor's email so the QR code goes to them. It is data only, so they keep their home SIM for calls with data roaming off.
Does a Slashtel eSIM give me a New Zealand phone number?
No. Slashtel eSIMs are data only, with no local phone number and no calls or SMS. WhatsApp and other internet calls work over the data. For a number, buy a prepaid SIM from a local network.
What does a monthly phone plan in New Zealand require?
Per 2degrees, a NZ residential address, a NZ bank account or credit card, and an international passport with a current work, student or residence visa in store, or a NZ driver licence online. Spark says a credit check may apply.
Can I keep my home number active while in New Zealand?
Yes. Keep the home SIM in the phone for calls and bank codes, turn off data roaming on it, and top it up. Slashtel sells mobile top ups to more than 100 countries, delivered in minutes.
Is my phone ready for a New Zealand SIM?
It must be unlocked by your overseas provider, which Spark lists as a requirement, and eSIM compatible if you use an eSIM. Check the compatibility guide, and the operator will confirm anything unclear.