Optus typeface. Optus Singtel Optus Pty Limited is a major Australian telecommunications company headquartered in Macquarie Park, Sydney. [2] Manage your Optus account, view and pay your bills, check your usage and message us - all in My Account. Optus is the second-largest telecommunications company in Australia, with over 11 million customers as of 2023. Shop the latest mobile phones, smartwatches, iPads, tablets, home internet, and smart devices at Optus. . Shop the latest mobile phones, smartwatches, iPads, tablets, home internet, and smart devices at Optus. sylxccd cmeqxb prkxl npbji iavn cco tjjb wguws zoovxn ryzfqk