Hey @Lizzyloo, were you wanting to cancel a number currently active on your account? If so, just reach out to our Customer Support teams and they would be more than happy to assist.
The teams are available online via the Optus App 24/7.
Did we answer your question? Please mark it as a Accepted Solution and if you see something that was helpful to you or the rest of the community, giving a Kudos is only a click away.