ContactsLaw provides a postcodes & suburbs search, which allows you to quickly match a postcode to a suburb (or vice-versa). The address data used by ContactsLaw is imported periodically from a reliable source, however newer suburbs may not immediately appear in the results.
Importing address data
ContactsLaw accepts country, state and address data (to populate this search) from a range of sources. The recommended source is the Postal Address File (PAF), a document which is regularly updated by Australia Post. Address data can be imported via the Management tab on The Practice. You can choose whether to perform a full or incremental update; you should generally choose the latter option to preserve historical information, or if you have previously imported data for countries other than Australia.