If you make a report to the ICAC anonymously, via email, online or phone, we are unable to provide you with an update on the status of your report or contact you for further details.

Reporting improper conduct

To report improper conduct you can contact the office via phone, email, mail, or in person. If you would like to speak to a staff member in person, please call the office first and we will schedule a date and time to meet with you.

Our office hours are 8am to 4pm Monday to Friday (excludes public holidays).


Freecall: 1800 250 918

Street Address

Lvl 7, 9 Cavenagh St
Darwin NT, 0801

Postal Address

GPO Box 3750
Darwin NT, 0801


For general enquiries, email
For formal complaints or reports, email
For finance and procurement related queries or complaints about the Office of the ICAC, email

Services for people with hearing or speech impairment

If you have hearing and/or vision impairment and require assistance, please contact us through the National Relay Service (NRS):

  • TTY users phone 1800 555 677 then ask for 1800 250 918.
  • Speak and Listen users phone 1800 555 727 then ask for 1800 250 918.
  • Internet relay users connect to the National Relay Service (NRS) and ask for 1800 250 918.

Interpreter services

More information about interpreter services, including the Aboriginal Interpreter Service, can be found here.