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Government agency

If you have any questions relating to the work of the TIO, please contact our Stakeholder Engagement or Policy departments on (03) 8600 8700 or refer to our information below.


Further information

Customer service

Case Study - Customer Service

A man contacted us because he had made a payment twice by mistake. Each time he called the service provider he had to explain his situation again as if it was the first time.

Next step?

  • make an online complaint
  • 1800 062 058
  • WritePO Box 276
    Collins Street West Vic 8007
  • VisitLevel 3, 595 Collins Street
    Melbourne
  • TTY1800 675 692
    National Relay ServiceCall on 1800 555 677 then ask for 1800 062 058
  • Fax our consumer complaint form to 1800 630 614