You can buy sim cards for the cell unit from Optus, Telstra or Vodafone from the International Terminal arrivals hall. These stores are generally open up right until 11pm. Having said that, it is actually value noting they don’t often supply the range of exclusive (cheaper) bundles accessible in town. https://sydneyinternationalairpor94825.mybloglicious.com/51468019/the-2-minute-rule-for-sydney-international-airport-taxi