The TIO's office hours are 9am to 5pm Monday to Friday, Australian Eastern Standard Time (Victoria and NSW time)
1800 062 058 for enquiries and complaints Free from a landline; standard mobile call rates from a mobile
1800 675 692 for consumers with access to a TTY machine, or see Telstra's TTY payphone locator
Note: before you contact us by TTY, you can preview the questions we will ask you on our online complaint form or consumer complaint fax form (47KB)
131 450 - Telephone Interpreting Service OR call 1800 062 058 and we will organise an interpreter for you
PO Box 276 Collins Street West VIC 8007 We accept letters written in braille
Level 3, 595 Collins St, Melbourne