How to Use 133 YES
'133 YES' (133 937) is available for enquiries about all Optus products and services for both new and existing customers.
How do I use 133 YES?
Dial '133 YES' (133 937) from your Home, Business or Mobile Phone then select the option that best matches your query. The available options are presented in the image below.
What if I’m using someone else’s phone?
It doesn't matter which phone service you're calling from '133 YES' is available to all phone services within Australia.