Getting a SIM card in Australia is one of the very first jobs on your arrival list. You need a local number to receive bank codes, apply for jobs, talk to real estate agents and use apps like myGov. The good news is that it only takes a few minutes, and many plans cost less than a nice dinner.
This guide explains the three mobile networks, the difference between prepaid and postpaid plans, what ID you need, how much a plan costs and how to check that your phone from home will work here. Plan prices below were checked on provider websites in October 2026. Prices change often, so always confirm the latest offer before you buy.
Quick Summary
| Topic | What you need to know |
|---|---|
| Networks | Three networks: Telstra, Optus and TPG (Vodafone). Many cheaper brands rent space on these networks. |
| Best plan type for new arrivals | Prepaid. No contract, no credit check, cancel any time. |
| Typical cost | About $28 to $50 for 28 to 30 days with 12GB to 120GB of data, depending on brand. |
| SIM price | Often free or a few dollars (for example, the Telstra SIM starter kit is $2). |
| ID needed | Usually your passport with a valid Australian visa, plus an Australian address. |
| Phone from overseas | Check it supports 4G calling (VoLTE) on Australian networks, or it may be blocked. |
| Emergency number | 000 (Triple Zero) |
Australia’s Three Mobile Networks
Australia has three companies that own and run mobile networks:
- Telstra – the largest network, with the widest coverage in regional and remote areas.
- Optus – the second largest network, with good coverage in cities and many regional towns.
- TPG Telecom (Vodafone) – strong in capital cities and big regional centres.
On top of these, there are many smaller brands called MVNOs (mobile virtual network operators). They do not own towers. Instead they rent space on one of the three networks and often sell plans for less. For example, ALDI Mobile and Boost Mobile use the Telstra network, amaysim uses the Optus network, and Felix and Lebara use the TPG (Vodafone) network.
Which network should you choose?
The right network depends on where you will live and work.
- Living in a capital city: all three networks work well. Pick the plan with the best price and data for you.
- Farm work, regional travel or road trips: Telstra (or a brand on the Telstra network) usually has the best coverage outside cities. This matters a lot if you plan to do your 88 days of regional work.
- Not sure yet: start with a cheap 28 or 30-day prepaid plan. If the coverage is poor where you end up, switch brands next month and keep your number.
Each network has a coverage map on its website. Type in the suburb or town where you will stay before you buy.
Prepaid vs Postpaid Plans
There are two main types of mobile plans in Australia.
Prepaid plans
With prepaid, you pay first and then use the service for a set time, usually 28 or 30 days. When the time ends, you recharge (pay again) or the service stops. Many brands offer auto-recharge from your card.
Prepaid is the best choice for most new arrivals because:
- there is no contract and no credit check
- you can buy one at the airport, a supermarket or online
- you can change brand easily if you find a better deal
- you cannot get a surprise bill
Some brands also sell long-expiry plans that last 6 or 12 months. These can be cheaper per month if you will stay in Australia for a long time.
Postpaid (SIM-only or phone) plans
With postpaid, you use the service first and get a bill every month. SIM-only postpaid plans are usually month-to-month, so you can leave without a fee. Plans that include a new phone usually lock you in for 12 to 36 months.
Postpaid plans may need a credit check and an Australian bank account, which is hard when you have just arrived. Most people start with prepaid and look at postpaid later, if they want it at all.
How Much Does a Phone Plan Cost in Australia?
Here are some real prepaid examples from October 2026, so you can see the price range. All prices are in Australian dollars.
| Brand (network) | Price | Data | Length |
|---|---|---|---|
| ALDI Mobile (Telstra) | $28 | 12GB | 30 days |
| ALDI Mobile (Telstra) | $39 | 75GB | 30 days |
| Telstra Pre-Paid | $44 | 20GB | 28 days |
| Telstra Pre-Paid | $64 | 45GB | 28 days |
| Telstra Pre-Paid | $395 | 180GB | 12 months |
Smaller brands on the Optus and TPG (Vodafone) networks are often in a similar price range or cheaper. Comparison sites and the brands’ own websites list the current deals.
What is included?
Most prepaid plans include unlimited standard calls and texts within Australia, plus a data allowance. Some plans also include calls to selected countries, which is useful if you call family in Korea, Japan, China or Taiwan. For example, Telstra’s 28-day prepaid recharges from $44 include a number of international call minutes, while its 7-day $15 recharge does not.
Things that are usually not included:
- international roaming (using your Australian SIM overseas) – you add a roaming pack if you travel
- calls to premium numbers (numbers starting with 19)
- data after you use up your allowance – some plans slow your speed, others stop data until you recharge
How much data do you need?
As a rough guide:
- 10GB to 20GB a month – fine if you have Wi-Fi at home and mostly use maps, messages and social media.
- 40GB to 80GB a month – better if you watch videos on the bus, do video calls home or do not have home internet yet.
- 100GB or more – useful if you use your phone as a hotspot for your laptop, for example while you live in a share house without internet or travel in a campervan.
What ID Do You Need for a SIM Card?
Australian law requires every telco to check your identity before it activates a prepaid mobile service. You cannot use a prepaid SIM until the check is done.
According to the Australian Communications and Media Authority (ACMA), you need to give your name, date of birth and home address. The telco may check your documents itself or use the Government’s Document Verification Service.
For visitors and new arrivals, the passport is the key document:
- Telstra lists an “international passport with a valid Australian visa” as an accepted ID.
- Vodafone says that if you are not an Australian resident, an international passport is the only ID it accepts, and you also need an Australian residential address.
- Expired ID is not accepted.
If you do not have a permanent address yet, many people use their first hostel, homestay or temporary accommodation. Check the brand’s rules before you activate.
Do you need more ID?
The rules ask for extra ID in some cases, for example if you already have more than five prepaid services. Most people only have one or two, so the passport check is usually enough.
How to Get a SIM Card in Australia, Step by Step
Step 1: Check your phone is unlocked
If you bought your phone on a contract at home, it may be locked to your home carrier. Ask your carrier to unlock it before you leave. A locked phone will not work with an Australian SIM.
Step 2: Check your phone works on Australian networks
Australia has switched off its 3G networks. Now phones must be able to make calls over 4G (called VoLTE), including calls to 000.
ACMA warns that older 4G phones and phones bought overseas are most at risk. Telcos must identify phones that cannot call Triple Zero on 4G and stop them from working on their networks. So before you buy a plan:
- check the brand’s list of compatible phones on its website, or ask in store
- recent iPhone and popular Android models from major brands usually work, but some overseas versions are different, so do not assume
Step 3: Choose physical SIM or eSIM
Most recent phones support eSIM, a digital SIM you download by scanning a QR code or using the brand’s app. eSIM is handy because:
- you can set it up online before or right after you land
- you can keep your home SIM in the phone as a second line, which helps you still receive bank codes from home
If your phone does not support eSIM, buy a physical SIM card. You can find them at airports, supermarkets (like Woolworths, Coles and ALDI), post offices, convenience stores and the brands’ own shops.
Step 4: Activate online or in store
Activation usually takes 10 to 20 minutes. You will:
- Choose a plan and pay for the first recharge.
- Enter your details and complete the ID check with your passport.
- Get your new Australian mobile number (it starts with 04).
Most services start working within a few minutes, but it can sometimes take longer.
Step 5: Update your number everywhere
Once your number is active, add it to your bank, your employer, your Tax File Number application, myGov and your rental applications. Many Australian services send one-time codes by SMS.
Keeping Your Number When You Switch
In Australia, you can usually keep your mobile number when you move to another brand. This is called “porting”. You start the process with your new brand, not your old one. You will normally need your account number or date of birth from the old provider and a code sent to your phone.
Porting usually finishes within a short time, and your old service ends automatically. Make sure you have no unpaid bills or contract fees with the old provider.
Stay Safe: Scam Calls and Texts
New arrivals are a common target for phone scams. Scammers pretend to be the ATO, Home Affairs, police, a bank, a delivery company or a toll road.
Since 1 July 2026, Australia has an SMS Sender ID Register. Text messages that use a business or organisation name that is not registered now show as “Unverified” and are grouped in one thread. Messages from registered names, such as AusPost or myGov, still show under their own name.
ACMA’s advice:
- be extra careful with “Unverified” messages
- do not click links or give personal details in a message you were not expecting
- if you are unsure, find the organisation’s contact details yourself (on its official website or your bill) and contact it directly
Remember that government agencies will never ask you to pay a debt with gift cards or cryptocurrency.
Frequently Asked Questions
Can I buy a SIM card at the airport in Australia?
Yes. Major international airports have shops or vending machines that sell SIM cards, and you can activate them with your passport. Airport packs can be a little more expensive, so some people buy a cheap plan at the airport and switch later, or set up an eSIM online instead.
Can I use my home SIM in Australia?
Usually yes, if your home carrier offers international roaming. But roaming is often expensive, so most people keep their home SIM only for receiving codes and use an Australian SIM or eSIM for daily use.
Do I need an Australian bank account to get a phone plan?
Not for prepaid. You can pay with an overseas card or cash in many shops. Postpaid plans usually need an Australian bank account and may include a credit check.
What is the cheapest SIM card in Australia?
Prices change often, but in October 2026 some prepaid plans started at around $28 for 30 days. Smaller brands on the big networks are often cheaper than Telstra, Optus or Vodafone themselves. Compare price per month, data and coverage, not just the price.
Which phone number do I call in an emergency?
Call 000 (Triple Zero) for police, fire or ambulance. Do not test your phone by calling 000. Instead, check with your mobile provider that your phone supports 4G emergency calling.
Final Thoughts
Getting a SIM card in Australia is quick and cheap. For most working holiday makers, international students and new migrants, a prepaid plan is the easiest start: no contract, no credit check and you can change brands at any time.
Before you buy, check three things: that your phone is unlocked, that it supports 4G calling on Australian networks, and that the network covers the place where you will live or work. Then bring your passport, pick a plan with enough data, and you will be connected within minutes.
Related Guides
- How to Open a Bank Account in Australia
- Get a Tax File Number (TFN) in Australia
- Cost of Living in Australia
- Working Holiday Visa Australia
- Student Visa Australia (Subclass 500)
