Best Mobile Plans for Newly-Arrived Migrants in Australia: Boost vs Optus vs Telstra Prepaid (2026)

The first 48 hours after landing in Australia depend on a working mobile number more than any other single thing. You’ll need it for:

• 100-points ID verification at a bank branch or rental agency, where every form asks for a contact number that has to actually receive a call;
• Banking 2FA — most Australian banks now require an SMS-based one-time code to confirm a transfer, and the SMS has to land on a number registered to a person;
• Government services — myGov account creation, Medicare enrolment (for eligible visa holders), ATO TFN tracking;
• Ride-share apps from the airport — Uber and DiDi both want a verified mobile number before the first ride;
• Rental property applications — agents text you about open-house appointments, contract signing slots, and lease conditions.

In other words: a SIM card is not optional infrastructure. It is the single most useful $30 you spend after landing.

This is the broker’s take on choosing your first Australian mobile plan, written for clients who land at Sydney, Melbourne, Brisbane or Perth and need a working number before they leave the airport.

How the Australian mobile market is structured

Three companies own the actual networks (towers, spectrum, backhaul): Telstra, Optus, and TPG (Vodafone). Every other mobile brand you’ll see in a 7-Eleven, supermarket telco aisle or online — Boost, Aldi Mobile, Belong, Catch Connect, amaysim, MATE, Felix, Moose Mobile, Coles Mobile — is a Mobile Virtual Network Operator (MVNO) reselling capacity on one of those three.

This matters for newcomers because:

• The MVNOs are usually cheaper than the big three’s own brands for the same network coverage;
• But not every MVNO gets the full network footprint of its host — Boost Mobile uniquely sells the full Telstra retail network (including remote coverage), while most other Telstra MVNOs only get a subset;
• Coverage matters most outside metro areas — if you’ll be travelling regularly to regional NSW, Queensland farming areas, mining towns in WA or remote Aboriginal communities, network choice changes the answer.

Boost Mobile — the broker’s default recommendation for newly-arrived migrants

Boost Mobile has been operating in Australia since August 2000, originally targeting youth on Optus’s network, but since 2019 it has been positioned as the only MVNO selling 100% of Telstra’s retail mobile network. That’s the differentiator.

What that means in practical terms:

• Same coverage as Telstra retail — including regional Australia where Telstra’s signal beats Optus and Vodafone by a meaningful margin. If you’re heading from the airport to a regional town, this matters.
• No lock-in contracts on prepaid — useful when you’re still uncertain about long-term residence patterns or might switch to a postpaid plan once you have an Australian credit history.
• Substantial data inclusions — Boost’s $30-40/month prepaid recharges typically include 30-60GB of monthly data, which covers everything a newly-arrived migrant needs without going onto a budget product that throttles after 5GB.
• International calls and roaming — included options on most plans, important for people staying in regular contact with family overseas.

For a newcomer the recommendation is straightforward: pick up a Boost SIM kit at the airport newsagent, supermarket or 7-Eleven on arrival day, activate online with passport details, and you have a working Australian number on the strongest network within 30-60 minutes. Then revisit the plan choice after 30 days.

→ Visit Boost Mobile

Optus Prepaid — for inner-city living and bundle pricing

Optus operates the second-largest network in Australia and dominates the inner-metro experience in Sydney, Melbourne and Brisbane. For a newcomer renting in inner-city Sydney (Surry Hills, Newtown, Chippendale, Mascot, St Leonards) or inner Melbourne (Carlton, Fitzroy, South Yarra, St Kilda), Optus signal is typically equivalent to Telstra.

Why Optus prepaid comes second on this list rather than first:

• Network footprint shrinks outside metro — Optus coverage in regional NSW (e.g. driving up the Hunter, into the Blue Mountains, north of Newcastle) noticeably drops compared to Telstra/Boost.
• Pricing is competitive but not cheapest — Optus prepaid is priced to compete with Telstra retail prepaid, not with MVNOs. The Optus-resold MVNOs (Catch, amaysim, Moose) get most of the Optus capacity at a lower price point.
• Bundling becomes interesting later — Optus has good home internet (NBN, fibre 1000) and bundle deals that combine internet and mobile. That’s the upgrade path 6-12 months in, not the entry path.

For the first 30 days, Optus prepaid is fine. After settling in a metro suburb with confirmed good Optus coverage, an Optus-network MVNO (Catch, amaysim) will save $10-15/month for similar service.

Telstra Prepaid — for the most-regional and most-remote arrivals

Telstra’s own prepaid product is essentially the same network as Boost, with the marketing premium of carrying the Telstra brand. For most newly-arrived migrants there is no reason to pay the Telstra retail premium when Boost sells the same network at a lower price.

When does Telstra retail prepaid actually beat Boost?

• Regional service add-ons — Telstra retail has dedicated regional / outback service centres in towns where Boost only sells online or via supermarket aisles.
• Telstra Loyalty rewards — small ecosystem of partner discounts (Telstra Plus) which Boost customers don’t get.
• Postpaid path — eventually transitioning to a Telstra postpaid plan is slightly easier from a Telstra prepaid base (account portability within the brand).

For 95% of newcomers, Boost is the better entry choice. Telstra retail prepaid is the answer if you’ve specifically chosen to settle in a remote area where Telstra retail support presence matters.

What about Vodafone (TPG)?

Vodafone’s network has improved meaningfully in metro since 2018, but the regional footprint remains the weakest of the three. For an inner-Sydney or inner-Melbourne migrant who never leaves metro, Vodafone or one of its MVNOs (Felix, Lebara, Kogan Mobile) is workable. For anyone considering regional travel or roadtrips, the network gap is real and Vodafone is hard to recommend at the entry point. Better to start with Boost (Telstra) or Optus and re-evaluate later.

The activation checklist on day one

1. Buy a SIM kit at the airport newsagent, 7-Eleven, Coles Express or Woolworths. SIM kits are typically $2-$10 plus a recharge. Some include a recharge already.
2. Have your passport ready. Australian SIM activation requires identity verification — passport works for all newcomers.
3. Activate online or by phone. Boost’s online activation is fast; Telstra/Optus have automated phone activation lines that also work.
4. Test 2FA before you need it. Send yourself a test SMS from a banking or government app within a few hours of activation, so you know the number is alive before you need it for ID verification at a bank branch.
5. Note the recharge date. Most prepaid plans auto-expire after 28/30 days. Set a calendar reminder for one day before — losing your number because of a missed recharge is a real pain to recover.

Six-month check-in

After six months of consistent presence in Australia, the conversation shifts:

• Postpaid becomes possible once you have an Australian credit history (typically a credit card or buy-now-pay-later record) — that opens cheaper monthly plans with included device finance.
• Bundle deals on NBN + mobile become relevant if you’re now in a rental contract that supports your own NBN connection.
• MVNOs become attractive — by month 6 you’ll know your real data usage and your coverage needs, and you can drop down to a Catch / amaysim / Boost cheaper tier without disruption.

But on arrival day, the calculation is simple: working number, Telstra network, no lock-in. Boost wins that calculation for most newly-arrived migrants.

About the author

Ben Wu is the Director of Arrivau Pty Ltd (ABN 81 643 901 599) and UNILINK Education Pty Ltd (ABN 50 152 187 650), Sydney-based businesses serving migrants and international students entering Australia. He is a Registered Migration Agent (MARN 1687552), holds a PIER QEAC accreditation (G167), is an Australian Credit Licence holder under the Arrivau group, and a NSW Justice of the Peace. Office: 16/650 George St, Sydney NSW 2000.

This article reflects general broker commentary at the time of writing (April 2026). Mobile plan terms, network coverage and prepaid pricing change frequently — always confirm current inclusions on the carrier’s own site before signing up. Affiliate links may earn Arrivau a commission at no additional cost to you; commission does not influence the editorial position above.