You'd be required to talk to a Optus rep directly with regards to cancelling your Optus plan. Hopefully the details help.
If you're currently overseas, please contact Optus on this number:
We have hidden your personal information on our online public forum. We take your privacy very seriously. If you have any questions about this, please feel free to refer to the Community Guidelines. Thank you!
Just a heads up Sunny80 as per the red advisory message on the right when you posted your question that we don't have access to or visibility of customer accounts here on our public forum. Please follow the advice in the accepted solution above.
Optus stores do not cancel services. Please follow the advice in the accepted solution above.
I am using another provider and I want to cancel my Optus service.
Please cancel this service effective immediately. My number is *hidden*.
My account number is hidden in the name of