The company said in a statement that it was also suspending subscription fees for its Optus Sport service until 31 May and increasing mobile data allowances.
Customers who were facing financial difficulty were offered suspension of access charges for up to 90 days. Late payment fees and suspension of disconnection and credit collection activities was offered until 30 April.
Optus chief executive Kelly Bayer Rosmarin said: “These are trying times and we recognise that our health workers are putting themselves on the frontline day in day out to protect and help Australians during this pandemic, and we want to say thank you.
“We understand how much everyone is relying on communications services to keep our communities – including our health professionals - connected. We will continue to work tirelessly to maintain the strength of our network and to prioritise critical service needs.
“We are proud to recognise and support the heroes on the front line who are supporting us.”