| Office | Postal Address | Street Address | Site Contacts |
| National Office | GPO Box 821
Canberra ACT 2601 | AMA Building
42 Macquarie St
Barton ACT 2600 | Inspector-General
Veronique Ingram
Phone: 02 6270 3400
Fax: 02 6270 3413
Email: itsa.national@itsa.gov.au.
. |
| Adelaide | GPO Box 2604
Adelaide SA 5001 | Level 9,
80 King William St
Adelaide SA 5000
. | Fax: 08 8112 4305
Email: itsa.adelaide@itsa.gov.au |
| Brisbane | PO Box 10443
Adelaide St
Brisbane QLD 4000 | Level 16,
340 Adelaide St
Brisbane QLD 4000
. | Fax: 07 3360 5466
Email: itsa.brisbane@itsa.gov.au |
| Canberra | GPO Box 821
Canberra ACT 2601 | Level 2,
14-16 Brisbane Av
Barton ACT 2600
. | Fax: 02 6270 3608
Email: itsa.canberra@itsa.gov.au |
| Hobart | GPO Box 850J
Hobart TAS 7001 | Level 4,
ANZ Centre
22-26 Elizabeth St
Hobart TAS 7000
. | Fax: 03 6221 7700
Email: itsa.hobart@itsa.gov.au |
| Melbourne | GPO Box 2851
Melbourne VIC 3001 | Level 16,
300 La Trobe St
Melbourne VIC 3000
. | Fax: 03 8631 4900
Email: itsa.melbourne@itsa.gov.au |
| Perth | GPO Box H536
Perth WA 6841 | Level 12,
263 Adelaide Tce
Perth WA 6000
. | Fax: 08 9268 1298
Email: itsa.perth@itsa.gov.au |
| Sydney | GPO Box 548
Sydney NSW 2001 | Level 4,
201 Elizabeth Street
Sydney NSW 2000
. | Fax: 02 8233 7892
Email: itsa.sydney@itsa.gov.au |
| Townsville | PO Box 1527
Townsville QLD 4810 | Level 1,
315 Ross River Rd
Townsville QLD 4814
. | Fax: 07 4727 0500
Email: itsa.townsville@itsa.gov.au |