Looking to change your Postpaid (Billed) Mobile Phone plan but not sure what plan you'll need? Just select from one of the options below:

Please note that if you change your plan during your contract term a fee may apply and any repayments you have for your phone will remain the same.

Please select the relevant option below to change your mobile plan:


Small Business
(1-5 services)

Once you've decided what plan you're after, you can change your plan using the My Optus app.

You can also change your plan online by clicking on the button below:

Medium Business
(6+ services)

Call us on 13 33 43 and we'll change your plan for you.

Our hours of operations are (AEST):

  • Monday - Friday: 8:30am - 7:00pm
  • Saturday: Closed
  • Sunday: Closed