Crest of the Australian Government Unique Student Identifier-Logo

Contact us: Providers

You may be able to resolve your issue quickly by using our self-service options. Visit our Help Centre before contacting us.

If you still need to contact us, have your Organisation Code or RTO number ready so we can help with your enquiry..

Call us

You can call us between 8:30am-5pm (Australian Central Standard Time), Monday to Friday (excluding national and South Australian public holidays) on 1300 857 536 or from outside Australia +61 2 6240 8740


Contact us by email


Contact us by mail

Office of the Student Identifiers Registrar
C/- Department of Employment, Skills, & Employment
GPO Box 9880
Adelaide SA 5001

Assistance - TIS and National Relay 

Translation Services 

If you have difficulty speaking or understanding English call the Translating and Interpreting Service (TIS National) on 131 450 for the cost of a local call. 

Ask TIS National to call the department on the appropriate number listed above. Alternatively, contact us on 1300 857 536 and we can connect with TIS while you are on the phone, and resolve your USI query. 

National Relay Service;

The National Relay Service (NRS) is a government initiative that allows people who are deaf, hard of hearing and/or have a speech impairment to make and receive phone calls.

Call 1300 555 727 (Speak and Listen) or go to the National Relay Service website for other options.  

Office of the Student Identifiers Registrar (OSIR)
Last Modified on Monday 28th June 2021 [237]