Boost advertising effectiveness using the Australian Postcode Survey to determine the impact of your advertising dollar. The Australian Postcode survey even automatically assigns a postcode when a suburb is picked from the list. Boost advertising effectiveness using the Australian Postcode Survey to determine the impact of your advertising dollar. Data entry using the Australian Postcode Survey is fast and the application occupies only a tiny part of the screen so that you can get on with your business while the Australian Postcode Survey awaits your next entry. The Australian Postcode Survey even automatically assigns a postcode when a suburb is picked from the list so customers need not know their own postcode to be easily included in the analysis of your regional marketing effectiveness.