Postal Code Finder
Geographic & Postal Directory / Australia

Australia Postal Data Infrastructure

Access a structured directory of 18,521 geocoded administrative entries. Navigate the complete hierarchy of Australia divisions to obtain verified postal identifiers and geographic coordinates.

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Navigate & Browse Geographic Distributions

How to use: Click on any marker to explore the detailed registry for that specific region. Data points represent geometric centroids of administrative localities.

Understanding postal codes in Australia

Format Numeric / Alphanumeric
Example Varies by region
Logic Consult official local guidelines for specific district formatting.

Our dataset mapping is based on current coverage and periodic updates from geocoded repositories. Postal delimitations represent spatial centroids for administrative sectors.

Primary Regional Divisions

Explore the top-level administrative jurisdictions of Australia. Each region manages a collection of provinces and local districts with unique postal identifiers.

Brisbane Unincorporated SA Sydney Scenic Rim Richmond Valley East Gippsland Snowy Monaro Snowy Valleys Mid-Coast Goondiwindi Fraser Coast Toowoomba Gold Coast Wellington Mackay View all regions →

High-Density Hubs

Sydney Perth Melbourne Brisbane Strawberry Hills Springfield Back Creek Red Hill Waterloo Australia Square Happy Valley Haymarket Adelaide Bakers Creek Broadwater Darlington Kensington Kingston Mayfield Mitchell

Explore Regional Subdivisions

Adelaide Hills
77 localities
R26
Albany
54 localities
R27
Albury
43 localities
R26
Alexandrina
41 localities
R27
Ararat
62 localities
R26
Ballina
113 localities
R27
Bass Coast
51 localities
R27
Baw Baw
91 localities
R27
Bega Valley
90 localities
R26
Blacktown
70 localities
R29
Blue Mountains
95 localities
R26
Brewarrina
50 localities
R27
Brimbank
44 localities
R27
Brisbane
332 localities
R27
Buloke
88 localities
R26
Burnie
51 localities
R27
Cabonne
130 localities
R26
Cairns
68 localities
R26
Campaspe
56 localities
R26
Canterbury-Bankstown
50 localities
R27
Capel
46 localities
R27
Cardinia
48 localities
R28
Carpentaria
138 localities
R24
Carrathool
42 localities
R26
Cassowary Coast
66 localities
R26
Central Coast (NSW)
123 localities
R26
Central Highlands (Qld)
47 localities
R25
Cessnock
58 localities
R27
Clarence Valley
111 localities
R26
Colac Otway
72 localities
R27
Corangamite
137 localities
R27
Croydon
44 localities
R26
Derwent Valley
50 localities
R26
Douglas
48 localities
R26
Dubbo
101 localities
R26
Dungog
76 localities
R26
East Gippsland
158 localities
R26
Eurobodalla
79 localities
R26
Forbes
41 localities
R26
Fraser Coast
154 localities
R26
Gannawarra
42 localities
R27
Gold Coast
147 localities
R25
Goondiwindi
154 localities
R26
Goyder
44 localities
R26
Greater Bendigo
41 localities
R26
Greater Geelong
71 localities
R27
Greater Shepparton
54 localities
R27
Gwydir
67 localities
R26
Gympie
125 localities
R26
Hawkesbury
105 localities
R26
Hilltops
89 localities
R26
Ipswich
45 localities
R26
Isaac
83 localities
R26
Kangaroo Island
55 localities
R26
Karoonda East Murray
47 localities
R26
Kentish
52 localities
R27
Kyogle
63 localities
R27
Lake Macquarie
113 localities
R27
Laverton
109 localities
R23
Light
56 localities
R27
Lismore
58 localities
R26
Lithgow
136 localities
R26
Liverpool Plains
50 localities
R26
Livingstone
82 localities
R26
Lockyer Valley
86 localities
R26
Loddon
129 localities
R26
Logan
85 localities
R26
Loxton Waikerie
53 localities
R26
Macedon Ranges
67 localities
R26
Mackay
139 localities
R26
Maitland
51 localities
R26
Mansfield
56 localities
R26
Maranoa
49 localities
R26
Mareeba
43 localities
R27
Meander Valley
62 localities
R26
Mid Murray
69 localities
R27
Mid-Coast
156 localities
R26
Mitchell
57 localities
R26
Moira
97 localities
R26
Moreton Bay
111 localities
R26
Mornington Peninsula
41 localities
R27
Mount Alexander
92 localities
R26
Mount Remarkable
47 localities
R26
Moyne
125 localities
R27
Murray River
48 localities
R25
Murrindindi
94 localities
R26
Nambucca Valley
66 localities
R26
Nannup
45 localities
R26
Narrandera
72 localities
R26
Newcastle
44 localities
R27
Noosa
40 localities
R26
North Burnett
98 localities
R26
Northern Beaches
90 localities
R26
Northern Grampians
105 localities
R26
Northern Midlands
86 localities
R26
Onkaparinga
55 localities
R26
Palmerston
124 localities
R26
Parramatta
71 localities
R32
Peterborough
49 localities
R23
Playford
41 localities
R26
Port Adelaide Enfield
52 localities
R27
Port Augusta
45 localities
R27
Port Macquarie-Hastings
115 localities
R26
Port Stephens
49 localities
R27
Richmond Valley
166 localities
R26
Scenic Rim
199 localities
R26
Shark Bay
88 localities
R25
Shellharbour
43 localities
R27
Shoalhaven
81 localities
R26
Singleton
45 localities
R26
Snowy Monaro
157 localities
R26
Snowy Valleys
156 localities
R26
Somerset
59 localities
R26
South Burnett
85 localities
R26
South Gippsland
56 localities
R26
Southern Downs
91 localities
R27
Strathbogie
42 localities
R27
Streaky Bay
53 localities
R26
Sunshine Coast
112 localities
R26
Sutherland
66 localities
R27
Swan Hill
95 localities
R26
Sydney
214 localities
R72
Tablelands
72 localities
R26
Tenterfield
76 localities
R27
Toowoomba
153 localities
R26
Townsville
93 localities
R26
Tweed
92 localities
R27
Unincorp. Other Territories
71 localities
R26
Unincorporated ACT
138 localities
R26
Unincorporated NSW
43 localities
R25
Unincorporated SA
306 localities
R25
Uralla
50 localities
R26
Wakefield
40 localities
R27
Walcha
96 localities
R26
Wangaratta
48 localities
R28
Wanneroo
59 localities
R29
Warren
41 localities
R26
Warrumbungle
77 localities
R26
Wattle Range
65 localities
R25
Wellington
143 localities
R26
West Coast
58 localities
R26
West Tamar
43 localities
R26
West Wimmera
62 localities
R26
Western Downs
97 localities
R26
Wingecarribee
90 localities
R26
Wollongong
97 localities
R27
Yankalilla
48 localities
R27
Yarra Ranges
56 localities
R27
Yarriambiack
48 localities
R27
Yorke Peninsula
74 localities
R27
* A locality (record) represents a unique combination of administrative name and geocoded coordinates.

Data Exports

Bulk geodata for Australia including administrative centroids and postal identifiers.

Download XLSX CSV Export JSON API
Contents: ISO-3166-2, Admin Levels 1-3, Postal Identifiers, Decimal Lat/Lng.

API Access

Integrate Australia lookup capabilities into your applications.

GET /api/v1/au/{code}
Explore Documentation →

Geographic Data Questions

What are postal codes in Australia?

Postal codes in Australia are standardized identifiers used by the national postal service and logistics providers to simplify mail sorting and delivery. They represent specific geographic districts or administrative boundaries.

How can I find a postal code by city or region?

You can find a postal code in Australia by searching for the city, town, or administrative region name in our lookup tool. Results provide geocoded coordinates and administrative hierarchy details.

Why do some cities in Australia have multiple postal codes?

Larger urban centers in Australia are often partitioned into multiple postal districts to manage high mail volumes and provide more granular routing within densely populated areas.

Are postal codes in Australia valid for shipping and online forms?

Yes, the postal codes provided in our registry for Australia are extracted from institutional datasets and are valid for use in international shipping, e-commerce forms, and address verification systems.

Can postal codes change over time?

Postal codes in Australia can occasionally be updated due to urban expansion, administrative rezoning, or postal service optimizations. Our archive receives regular updates to reflect these changes.

Can I download postal code data for Australia?

Yes, structured datasets for Australia are available for download in CSV, Excel (XLSX), and JSON formats. These institutional-grade files include geocoded centroids and administrative names.