A small, Java-based web application which provides HTML and SOAP based interfaces for looking up postcodes and geocodes for addresses within New Zealand.

Screencast

Getting NZ Postcodes

The service uses an index constructed from NZ Post's Postal Address File (PAF), which must be licensed independently from NZ Post:

http://www.nzpost.co.nz/Cultures/en-NZ/ProductsAndServices/P/PostalAddressFile/AboutPAF.htm

For more code-specific information checkout the automatically generated Maven site:

http://projects.stress-free.co.nz/postcodes/index.html