Find enquiry lines and hotlines for Australian Government departments and agencies.
Title Enquiries Hours of Operation Additional Information
National Interstate Dial Back Phone: 133 254
 General inquiries from anywhere in Australia to a State Office in another State
National Museum of Australia Phone: 1800 026 132
 Hours of Operation: Business Hours
 General Enquiries
National Relay Service Phone: 1800 555 660 (free from landlines)
 Hours of Operation: Monday–Friday 8am–6pm (Eastern Standard Time)
 The NRS is an Australia-wide phone service for people who are deaf or have a hearing or speech impairment. It is also available to anyone who wants to call a person with a hearing or speech impairment.
National Security Hotline Phone: 1800 123 400
 Hours of Operation: 24 hrs/day - 7 days/week
 Report activities relevant to national security.
Nominal Rolls Phone: 1300 780 133
Notifying Work-Related Incidents Phone: 1300 366 979
 Service for notifying work related incidents to Comcare.