A trio of Australian carriers will supposedly get the Sony Xperia Z in March
4G enabled. He added that all of them will be in the mid to high-end price range.
Finally, the exciting news for those in Australia is that according to Featherstone (and he should know), the Sony Xperia Z will be available from the three major carriers in the country sometime in March. Gizmodo Australia has already said that both Vodafone and Optus will be getting the Sony Xperia Z and Telstra already has a product registration page up and running online.
source: GizmodoAustraia via AndroidCentral