Get our 40GB Medium SIM plan for $20/mth for the first 6 months then $29/mth
Offer ends 10 February '25 unless varied by Southern Phone. Terms apply.
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^Compatible 5G device required to access the 5G Network. When not in a 5G coverage area, the device will switch to the Optus 4G Network where it is available.
More about our SIM Plans
Optus Mobile Network
The Optus 4G network covers 98.5% of the Australian population. The Optus 5G network is currently available in selected areas of Australia (excl. NT). A compatible 5G device is required to access the 5G network.
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Important changes to the 3G Mobile Network
3G networks have been shut down across Australia from 28 October 2024. Find out if your device is affected and what to do next.
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Experience VoLTE
VoLTE (Voice over LTE) is the technology that enables crystal clear voice calls to be made on the Optus 4G Plus network.
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Certified Carbon Neutral
Your plan is carbon neutral, certified by Climate Active, at no extra cost to you.
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