End-of-year holiday closure
The TIO will be closed from the afternoon of Friday 23 December 2016 and will re-open at 9am on Tuesday, 3 January 2017.
If you need to contact your telephone or internet service provider during this time, you can find their contact details either on your bill or on our members listing.
Complaints and enquiries
Online complaint form
1800 062 058 Our complaints line is open from 9am to 5.30pm Monday to Friday, Australian Eastern Standard Time (Australian Eastern Daylight Time when daylight savings is in effect). Calls are free from landlines, but standard rates apply for calls from mobiles. If you call from a mobile you can ask us to call you back.
Send our consumer complaint form or a letter to
PO Box 276, Collins Street West, VIC 8007
Need an interpreter?
Call our hotline and we'll get one for you, or call the Translating and Interpreting Service (TIS) at 131 450.
Want to use the National Relay Service?
If you are deaf, or have a hearing or speech impairment:
1. Contact us through the National Relay Service
2. Give the TIO number you want to call.
For more information visit the National Relay Service website.
Have a media enquiry?
For all media enquiries please contact the Stakeholder Engagement team via email or 03 8680 8426.
Want our news, media statements or annual report?
Excess data usage
- make an online complaint
- 1800 062 058
WritePO Box 276
Collins Street West Vic 8007
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