Can I make international calls on long expiry mobile plans?

There are a handful of providers that offer either unlimited international minutes to selected countries or an allocation of how many minutes you can use on your plan to any country. Make sure to compare features between providers and their plans before signing up if this is an important feature to you.

Are 365-day prepaid plans the same as 12-month SIM only plans?

Yes, they're both the same. Some providers will refer to these as 12-month plans while others will call them 365-day prepaid plans. Keep in mind that some providers do offer 12-month contracted SIM only plans. These are different as you pay for your mobile bill monthly (rather than all upfront like a 365-day prepaid plan) and exit fees usually apply.

What happens if I don't use all my data up within 365 days?

Some providers do offer data banking as a feature on their 365-day plans. This can be unlimited or up to a certain limit. You'll just need to make sure to recharge your plan before it expires in order for the data to be rolled over. If your 365-day prepaid mobile plan doesn't come with any data banking feature, you'll lose your unused data at the end of the expiry period.

Can I get unlimited data on a 365-day prepaid mobile plan?

Unfortunately you can't on a 365-day prepaid plan. Unlimited data mobile plans are generally uncommon anyway and only felix offers a month-to-month truly unlimited data plan though the caveat is 40Mbps download speed caps throughout.

Is there a SIM card with data that doesn't expire?

No, there isn't. All SIM cards with data will eventually expire. The longest period to keep your plan running would be a 365-day prepaid mobile plan where you'll only need to recharge once a year.

Best 365-day prepaid mobile plans

Compare to find the best long expiry mobile plan

You'll find mobile plans with expiry periods between 90 and 365 days in the comparison table below.

9 of 46 results

Finder Score	Data allowance	Ongoing price	Special offer
9.5 Lyca Mobile Medium Long Term Finder AwardPrepaidNo lock-in contract SAVE $90 $240 $150 for first recharge	9.5	360GB Vodafone 4G/5G network	$240 per 360 day recharge per 360 day recharge $240 per 360 days expiry per 360 days expiry	SAVE $90 $240 $150 for first recharge	Discount: $150 on activation, then $240/recharge. T&Cs apply.	$20 RewardT&Cs apply T&Cs apply Go to site View details Compare product selectionCompare	loading
9.5 OnePass Mobile 365 Day Plan 360GB PrepaidNo lock-in contract SAVE $121 + BONUS DATA $300 $179 for first recharge 360GB 450GB for first recharge	9.5	360GB Optus 4G/5G network	$300 per 365 day recharge per 365 day recharge $300 per 365 days expiry per 365 days expiry	SAVE $121 + BONUS DATA $300 $179 for first recharge 360GB 450GB for first recharge	Special offer: 450GB for $179 for first recharge, then 360GB for $300/recharge (ends 29 Sep 2026). Free OnePass membership on activation. Earn 5x Flybuys points for every $1 spent on recharge. T&Cs apply.	Go to site View details Compare product selectionCompare	loading
9 Optus Flex Plus $180 186 days PrepaidNo lock-in contract BONUS DATA 90GB 140GB for first 3 recharges	9	90GB Optus 4G/5G network	$180 per 186 day recharge per 186 day recharge $180 per 186 days expiry per 186 days expiry	BONUS DATA 90GB 140GB for first 3 recharges	Bonus data offer: 140GB for first 3 recharges, then 90GB. New services only. T&Cs apply.	Plan fees will increase to $200/recharge from 30 Sep 2026.	Go to site View details Compare product selectionCompare	loading
8.3 Optus Flex Plus $350 365 days PrepaidNo lock-in contract $350 $199 for first recharge 220GB 300GB for first 3 recharges	8.3	220GB Optus 4G/5G network	$350 per 365 day recharge per 365 day recharge $350 per 365 days expiry per 365 days expiry	$350 $199 for first recharge 220GB 300GB for first 3 recharges	$199 for the first recharge. Ends 29 Sep 2026. 300GB for first 3 recharges, then 220GB/recharge. New services only. T&Cs apply.	Plan fees will increase to $395/recharge from 30 Sep 2026.	Go to site View details Compare product selectionCompare	loading
9.4 Boost $180 SIM PrepaidNo lock-in contract BONUS DATA 100GB 160GB for first recharge	9.4	100GB Telstra 4G/5G network	$180 per 186 day recharge per 186 day recharge $180 per 186 days expiry per 186 days expiry	BONUS DATA 100GB 160GB for first recharge	Bonus data offer: 160GB for first recharge, then 100GB/recharge. Activate by 2 Nov 2026. T&Cs apply.	Go to site View details Compare product selectionCompare	loading
8.9 Boost $300 SIM PrepaidNo lock-in contract SAVE $35 + BONUS DATA $300 $265 for first recharge 240GB 290GB for first recharge	8.9	240GB Telstra 4G/5G network	$300 per 12 months per 12 months $300 per 12 months per 12 months	SAVE $35 + BONUS DATA $300 $265 for first recharge 240GB 290GB for first recharge	Discount and bonus data: 290GB for $265 on first recharge, then 240GB for $300/recharge. Ends 28 Sep 2026. T&Cs apply.	Go to site View details Compare product selectionCompare	loading
8.5 Boost $365 SIM PrepaidNo lock-in contract Regular price	8.5	365GB Telstra 4G/5G network	$365 per 12 months per 12 months $365 per 12 months per 12 months	Regular price	Go to site View details Compare product selectionCompare	loading
9.3 Lyca Mobile Online Only Offer PrepaidNo lock-in contract SAVE $180 $360 $180 for first recharge	9.3	600GB Vodafone 4G/5G network	$360 per 360 day recharge per 360 day recharge $360 per 360 days expiry per 360 days expiry	SAVE $180 $360 $180 for first recharge	Discount: $180 for first recharge, then $360/recharge. T&Cs apply.	$20 RewardT&Cs apply T&Cs apply Go to site View details Compare product selectionCompare	loading
8.8 Lyca Mobile Large Long Term Finder AwardPrepaidNo lock-in contract SAVE $260 $480 $220 for first recharge	8.8	900GB Vodafone 4G/5G network	$480 per 360 day recharge per 360 day recharge $480 per 360 days expiry per 360 days expiry	SAVE $260 $480 $220 for first recharge	Discount: $220 on activation, then $480/recharge. T&Cs apply.	$20 RewardT&Cs apply T&Cs apply Go to site View details Compare product selectionCompare	loading

Showing 9 of 9 results

Finder Score for mobile plans

We've scored over 290+ mobile plans on everything from cost to data allowance and important features.

Our experts give each plan a score out of 10 - totally fair, with no commercial strings attached.

Read the full methodology

Frequently asked questions

Yes, they're both the same. Some providers will refer to these as 12-month plans while others will call them 365-day prepaid plans.
Keep in mind that some providers do offer 12-month contracted SIM only plans. These are different as you pay for your mobile bill monthly (rather than all upfront like a 365-day prepaid plan) and exit fees usually apply.
Some providers do offer data banking as a feature on their 365-day plans. This can be unlimited or up to a certain limit. You'll just need to make sure to recharge your plan before it expires in order for the data to be rolled over.
If your 365-day prepaid mobile plan doesn't come with any data banking feature, you'll lose your unused data at the end of the expiry period.

Why compare mobile phone plans with Finder?

Genuine phone addicts. Unlimited scrolling and streaming, we got you. We track all offers daily so you can stay online all the time.

Cause we all hate caps. Our goal is to bring you all the good stuff, and surface any hidden fees. So you can get back to the fun stuff, like gaming.

Tried and tested. We give these plans a run for their money and listen to the feedback of the millions of Aussies who have used our plans comparison.

Thank you for your feedback!

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37 Responses

GrahameApril 16, 2025

what is the difference between telstra normal and wholesale networks

Finder

MariamApril 22, 2025Finder

Hi Grahame, Telstra’s main (retail) network covers around 99.5% of the population, including more remote areas. The wholesale network covers about 98.8%, so the difference is small but can matter if you’re in a more remote location. Hope this helps!

Finder

AngusDecember 2, 2024Finder

Hi Aboud, You’re in the good place to start – if you’re after low-fuss text and talk, a 365-day plan is a good option. But if you’d prefer monthly payments, check out our guide to cheap mobile plans.

FionaOctober 21, 2024

I want a prepaid sim card (normal size) for the elevator phone, without an expiry date. Is this possible?

Finder

AngusOctober 22, 2024Finder

Hi Fiona, Alas, I’m not aware of any SIM card that has no expiry – it’s always going to need a plan attached to it to be active, and 365 days is the longest you can get in Australia.

elitaSeptember 19, 2024

Hi I am wondering what sort of plan my samsung 5pro will need please 🙏

Finder

AngusSeptember 20, 2024Finder

Hi Elita, Which plan you need will largely be determined by two factors: how much you want to spend and how much data you use. For most folks, 15GB a month is plenty, which means on a 365-day plan you’d be safe with 180GB. If you’re not sure, it might make sense to start with a shorter-duration prepaid plan and see how much you use in practice. Once you know that, you can pick a 365-day plan that has enough to cover you for a year. Hope this helps!

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Best 365-day prepaid mobile plans

Compare long expiry plans side by side to find the best one for you.