Western Australia Postal Codes by Region

Western Australia is the largest state in Australia, located in the western part of the country. Western Australia uses postal codes ranging from 6000 to 6999. These postal codes are managed by Australia Post and are essential for accurate mail delivery, logistics, government administration, and online services.

Key Information About Western Australia Postal Codes

Item	Details
State	Western Australia (WA)
Postal Code Range	6000 – 6999
ISO Code	AU-WA
Capital / Seat	Perth
Country	Australia
Continent	Oceania
Postal Authority	Australia Post

Postal Codes of Western Australia by Region

For more details on the list of postal codes in Western Australia, find the codes grouped by region below.

Perth CBD & Inner Suburbs

Place	Postal Code	State
Perth	6000	Western Australia
West Perth	6005	Western Australia
East Perth	6004	Western Australia
Northbridge	6003	Western Australia
Highgate	6003	Western Australia
Mount Lawley	6050	Western Australia
Leederville	6007	Western Australia
Subiaco	6008	Western Australia
Nedlands	6009	Western Australia
Crawley	6009	Western Australia

Northern Perth Suburbs

Place	Postal Code	State
Joondalup	6027	Western Australia
Wanneroo	6065	Western Australia
Clarkson	6030	Western Australia
Mindarie	6030	Western Australia
Butler	6036	Western Australia
Yanchep	6035	Western Australia
Ocean Reef	6027	Western Australia
Greenwood	6024	Western Australia
Kingsley	6026	Western Australia
Hillarys	6025	Western Australia

Southern Perth & Peel Region

Place	Postal Code	State
Fremantle	6160	Western Australia
Cockburn	6164	Western Australia
Rockingham	6168	Western Australia
Kwinana	6167	Western Australia
Mandurah	6210	Western Australia
Baldivis	6171	Western Australia
Warnbro	6169	Western Australia
Secret Harbour	6173	Western Australia
Pinjarra	6208	Western Australia
Waroona	6215	Western Australia

South West Region

Place	Postal Code	State
Bunbury	6230	Western Australia
Busselton	6280	Western Australia
Margaret River	6285	Western Australia
Dunsborough	6281	Western Australia
Collie	6225	Western Australia
Harvey	6220	Western Australia
Manjimup	6258	Western Australia
Bridgetown	6255	Western Australia
Nannup	6275	Western Australia
Donnybrook	6239	Western Australia

Wheatbelt Region

Place	Postal Code	State
Northam	6401	Western Australia
York	6302	Western Australia
Merredin	6415	Western Australia
Narrogin	6312	Western Australia
Wagin	6315	Western Australia
Katanning	6317	Western Australia
Moora	6510	Western Australia
Dalwallinu	6609	Western Australia
Kellerberrin	6410	Western Australia
Goomalling	6460	Western Australia

Goldfields–Esperance Region

Place	Postal Code	State
Kalgoorlie	6430	Western Australia
Boulder	6432	Western Australia
Esperance	6450	Western Australia
Coolgardie	6429	Western Australia
Norseman	6443	Western Australia
Laverton	6440	Western Australia
Leonora	6438	Western Australia
Ravensthorpe	6346	Western Australia
Kambalda	6442	Western Australia
Hopetoun	6348	Western Australia

Pilbara Region

Place	Postal Code	State
Karratha	6714	Western Australia
Port Hedland	6721	Western Australia
South Hedland	6722	Western Australia
Newman	6753	Western Australia
Tom Price	6751	Western Australia
Dampier	6713	Western Australia
Roebourne	6718	Western Australia
Wickham	6720	Western Australia
Onslow	6710	Western Australia
Pannawonica	6716	Western Australia

Kimberley Region

Place	Postal Code	State
Broome	6725	Western Australia
Derby	6728	Western Australia
Kununurra	6743	Western Australia
Wyndham	6740	Western Australia
Fitzroy Crossing	6765	Western Australia
Halls Creek	6770	Western Australia
Warmun	6743	Western Australia
Looma	6725	Western Australia
Beagle Bay	6725	Western Australia
Kalumburu	6740	Western Australia

About Western Australia Postal Codes

Each locality in Western Australia is assigned a specific postal code to support efficient mail sorting and delivery across vast metropolitan, regional, and remote areas. From Perth’s inner suburbs to remote Kimberley communities, using the correct postal code ensures reliable delivery, accurate address validation, and smooth commercial operations.

Western Australia’s postal code system also supports logistics companies, emergency services, e‑commerce platforms, and government agencies in identifying precise locations across the state.