Telephone Directories Australia

• Citysearch - directory
• WhitePages - for Australia
• YellowPages - for Australia

World

• Bigbook Yellow Pages for US
• teldir.com says it is the original and most detailed directory of world phone books on the web. It categorises the telephone directories by geographic region and rates them. good navigation.
• Telecom New Zealand Yellow Pages
• Telecom New Zealand White Pages
• World Telephone directories - most yellow and white pages on the web from infobel
• World Telephone Directories from Hansaprint

Post Codes

• Australia Post - Postcode Search
• World Post Codes
• World Post Codes from Embassy World

Other Reference

• gizmo project - internet based phone software
• refdesk.com
• skype - internet based phone company
• Tutorial Find - find a tutorial on the net
• The Virtual Reference Desk at Webjunction (a librarian run site)