Yes, it is possible to transfer your existing number to Optus Mobile Digital Coverage. This process is known as number porting. Typically, you will need to ensure that your current mobile service is active and that you have the necessary account details from your current provider to initiate the porting request. Optus usually provides guidance on how to complete this process on their website. It generally involves signing up for an Optus plan, and during the activation, you will have the option to indicate that you wish to transfer your current number. It is important to be aware that number porting can take some time, usually within a few hours, but in some cases, it may take longer depending on specific circumstances. For more detailed information on the number porting process and any potential fees, you might want to check the relevant section of the Optus website.