All SIM plans now $5 OFF for the first 6 months
PLUS, Get an EXTRA $5/mth off SIM plan fees for the first 6 months. Simply sign up online and apply the promo code EOFY24 at checkout^
Offer ends until 12 August 2024, unless varied by Southern Phone.
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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. EOFY24 promotion ends 30 June 2024.
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.
Check Your Coverage
Important changes to the 3G Mobile Network
3G networks will soon be closing across Australia from 30 June 24. 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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Award Winning Mobile Plans
We are honoured to have won Canstar Blue’s Most Satisfied Customer Award in the Phone on a Plan category three years running for 2021-2023.