Improve en_AU/Address $postcode

src/Faker/Provider/en_AU/Address.php

@@ -19,7 +19,33 @@ class Address extends \Faker\Provider\en_US\Address
         'Access', 'Alley', 'Alleyway', 'Amble', 'Anchorage', 'Approach', 'Arcade', 'Artery', 'Avenue', 'Basin', 'Beach', 'Bend', 'Block', 'Boulevard', 'Brace', 'Brae', 'Break', 'Bridge', 'Broadway', 'Brow', 'Bypass', 'Byway', 'Causeway', 'Centre', 'Centreway', 'Chase', 'Circle', 'Circlet', 'Circuit', 'Circus', 'Close', 'Colonnade', 'Common', 'Concourse', 'Copse', 'Corner', 'Corso', 'Court', 'Courtyard', 'Cove', 'Crescent', 'Crest', 'Cross', 'Crossing', 'Crossroad', 'Crossway', 'Cruiseway', 'Cul-de-sac', 'Cutting', 'Dale', 'Dell', 'Deviation', 'Dip', 'Distributor', 'Drive', 'Driveway', 'Edge', 'Elbow', 'End', 'Entrance', 'Esplanade', 'Estate', 'Expressway', 'Extension', 'Fairway', 'Fire Track', 'Firetrail', 'Flat', 'Follow', 'Footway', 'Foreshore', 'Formation', 'Freeway', 'Front', 'Frontage', 'Gap', 'Garden', 'Gardens', 'Gate', 'Gates', 'Glade', 'Glen', 'Grange', 'Green', 'Ground', 'Grove', 'Gully', 'Heights', 'Highroad', 'Highway', 'Hill', 'Interchange', 'Intersection', 'Junction', 'Key', 'Landing', 'Lane', 'Laneway', 'Lees', 'Line', 'Link', 'Little', 'Lookout', 'Loop', 'Lower', 'Mall', 'Meander', 'Mew', 'Mews', 'Motorway', 'Mount', 'Nook', 'Outlook', 'Parade', 'Park', 'Parklands', 'Parkway', 'Part', 'Pass', 'Path', 'Pathway', 'Piazza', 'Place', 'Plateau', 'Plaza', 'Pocket', 'Point', 'Port', 'Promenade', 'Quad', 'Quadrangle', 'Quadrant', 'Quay', 'Quays', 'Ramble', 'Ramp', 'Range', 'Reach', 'Reserve', 'Rest', 'Retreat', 'Ride', 'Ridge', 'Ridgeway', 'Right Of Way', 'Ring', 'Rise', 'River', 'Riverway', 'Riviera', 'Road', 'Roads', 'Roadside', 'Roadway', 'Ronde', 'Rosebowl', 'Rotary', 'Round', 'Route', 'Row', 'Rue', 'Run', 'Service Way', 'Siding', 'Slope', 'Sound', 'Spur', 'Square', 'Stairs', 'State Highway', 'Steps', 'Strand', 'Street', 'Strip', 'Subway', 'Tarn', 'Terrace', 'Thoroughfare', 'Tollway', 'Top', 'Tor', 'Towers', 'Track', 'Trail', 'Trailer', 'Triangle', 'Trunkway', 'Turn', 'Underpass', 'Upper', 'Vale', 'Viaduct', 'View', 'Villas', 'Vista', 'Wade', 'Walk', 'Walkway', 'Way', 'Wynd'
     );
 
-    protected static $postcode = array('####');
+    protected static $postcode = array(
+        // as per https://en.wikipedia.org/wiki/Postcodes_in_Australia
+        // NSW
+        '1###',
+        '20##', '21##', '22##', '23##', '24##', '25##',
+        '2619', '262#', '263#', '264#', '265#', '266#', '267#', '268#', '269#', '27##', '28##',
+        '292#', '293#', '294#', '295#', '296#', '297#', '298#', '299#',
+        // ACT
+        '02##',
+        '260#', '261#',
+        '290#', '291#', '2920',
+        // VIC
+        '3###',
+        '8###',
+        // QLD
+        '4###',
+        '9###',
+        // SA
+        '5###',
+        // WA
+        '6###',
+        // TAS
+        '7###',
+        // NT
+        '08##',
+        '09##',
+    );
 
     protected static $state = array(
         'Australian Capital Territory', 'New South Wales', 'Northern Territory', 'Queensland', 'South Australia', 'Tasmania', 'Victoria', 'Western Australia'