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What is AVC and why does it matter?

Last Updated: Wednesday 22 Jan 2025

An Access Virtual Circuit Identifier (or AVC) represents your unique nbn® service once it is connected.  

This ID is made up of the characters ‘AVC’ followed by 12 numerical digits, for example ‘AVC123456789100’. 

AVC IDs are only provided to NBN customers. Opticomm customers will instead have an OAC. They are the same thing, just with different letters.

What is an AVC ID used for? 

Your AVC is a unique identifier for your service. It comes in handy if you want to change to a different internet service provider and need to accurately identify your service to facilitate the transfer. Once your service has been transferred, your new provider will issue you with a new AVC.  

It can also be helpful if you have multiple services, and you need to identify one in particular.  

The only people who know your AVC are your internet service provider and... well, you! This helps protect your service from being transferred without your authorisation.  

How can I find my AVC ID? 

There are a few places you can find your AVC: 

  • On the second page of your monthly bill, next to the service address.Image of an invoice with the AVC ID circled

  • For residential customers, in your MyAussie app or online portal:

    1. Login to MyAussie.

    2. Press the Home button.

    3. Press the Services button.

    4. Find your NBN service in the list of services. Your AVC is listed under the service address.Image of the MyAussie portal with the AVC ID circled

  • For wholesale customers, in your Carbon app. You can do this by navigating to Services -> NBN, and checking the AVC column on the table.Image of the Carbon portal with the AVC ID circled

    I’m an Opticomm customer. How can I find my OAC ID?

OAC numbers are made up of the characters ‘OAC’ followed by 12 numerical digits, for example ‘OAC123456789100’.

You can find your OAC number in the MyAussie app or online portal:

1.      Login to MyAussie.

2.     Press the Home button.

3.     Press the Services button.

4.    Find your Opticomm service in the list of services. Your OAC is listed next to the service address.Image of the MyAussie portal with the OAC ID circledIf you need any help, you can reach out to our friendly, Aussie-based customer support team via LiveChat on the MyAussie app, or by calling 1300 880 905, available from 8am until midnight (AEDT), 7 days a week.

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