Reverse Australia is a free Australian reverse mobile phone lookup. It provides a free online lookup service for landline and mobile phones within the country. Another site that offers a free lookup service for mobile phones is Australian-People-Records.com, which, similarly to Reverse Australia, features information from public records.
Depending on the available data, a Reverse Australia lookup may yield information such as the caller's name and address. When using Australian-People-Records.com to look up a business contact number, the search is likely to bring back the business name as well as the site where the number was identified. The lookup service also looks through the contact information posted on social networking sites.