Australia Post is committed to providing high-quality mail and parcel services to all Australians. Site provides information about (and extensive online access to) Australia Post's wide range of personal and business products and services, mailing delivery, retail and specialty services, billing and financial services and business solutions.

http://auspost.com.au...

http://auspost.com.au/index.html

The Department provides advice to the Australian Government on postal policy and legislation and on issues affecting the postal industry.

http://www.dbcde.gov.au...

http://www.dbcde.gov.au/post

Calculate how much it will cost to send your letter or parcel within Australia or overseas.

http://auspost.com.au...

http://auspost.com.au/products-and-services/postage-assessment-calculator.html

The Postal Industry Ombudsman (PIO) investigates complaints about the provision of a postal or similar service.

http://www.pio.gov.au...

http://www.pio.gov.au/

Provides an Australia Post search facility for Australian postcodes, including a postcode datafile to download.

http://auspost.com.au...

http://auspost.com.au/apps/postcode.html