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How to find your phone number or username

In this article we'll show you how you can find your Optus phone number or username.

Keep in mind that Mobile Broadband numbers have a similar format to regular mobile phone numbers.

Note: Phone numbers are sometimes called service numbers.

You can find your phone number or username displayed in the top bar in My Optus app.

      1. Open the My Optus app
        1. You may need to log in first
      2. You'll see your mobile number or username displayed at the top of the screen
      3. If you have multiple services, tap the icon in the top left corner to view all services
        Image of My Optus app dashboard showing the billing option from the bottom menu

If you've already registered for My Account, you can see your phone number or username by logging into My Account.

Check out how to register for My Account here.

  1. Log in to My Account
  2. Your phone number and username will be displayed on the homepage

Your mobile number appears on the first page of your bill, in the section This Bill.

Find out more about your bill here.

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