Latest update - 13th February 2012
With these products you can use any given postcode or suburb to find all neighbouring and adjacent postcodes and suburbs. The Next Door table is available at either Postcode or individual suburb level for the ultimate in precision.
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How it works: The table containing all the next-door records is created by taking every every postcode or suburb and comparing to every other postcode or suburb to create a list of which postcodes or suburbs are immediately adjacent, hence 'Next Door'. |
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Perfect for creating a directory system to handle the case where no matches are found for a particular postcode or suburb then just continue the search using the information in this table so you can always deliver a search result.
The production process creates a set of
records ideal for direct use in a database system - no
complicated 3rd party software licences or costs - you
use your own familiar and compatible tools.
Sample Postcode level accuracy

Sample data and format for Postcode level
| 2063 |
2062 |
| 2063 |
2065 |
| 2063 |
2068 |
| 2064 |
2065 |
| 2064 |
2066 |
| 2064 |
2067 |
| 2064 |
2068 |
| 2065 |
2060 |
| 2065 |
2062 |
| 2065 |
2063 |
| 2065 |
2064 |
| 2065 |
2066 |
| 2065 |
2068 |
| 2066 |
2064 |
Sample Individual Suburb level accuracy

Sample data and format for Individual Suburb level
| 2064 |
Artarmon |
2065 |
Greenwich |
| 2064 |
Artarmon |
2065 |
Naremburn |
| 2064 |
Artarmon |
2065 |
St Leonards |
| 2064 |
Artarmon |
2066 |
Lane Cove |
| 2064 |
Artarmon |
2066 |
Lane Cove North |
| 2064 |
Artarmon |
2067 |
Chatswood |
| 2064 |
Artarmon |
2067 |
Chatswood West |
| 2064 |
Artarmon |
2068 |
Willoughby |
| 2065 |
Crows Nest |
2060 |
North Sydney |
| 2065 |
Crows Nest |
2062 |
Cammeray |
| 2065 |
Crows Nest |
2065 |
Naremburn |
| 2065 |
Crows Nest |
2065 |
St Leonards |
| 2065 |
Crows Nest |
2065 |
Wollstonecraft |
| 2065 |
Greenwich |
2064 |
Artarmon |
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| 2065 |
Greenwich |
2065 |
St Leonards |
| 2065 |
Greenwich |
2065 |
Wollstonecraft |
| 2065 |
Greenwich |
2066 |
Lane Cove |
| 2065 |
Greenwich |
2066 |
Northwood |
Sample Tables
A sample of records is available in .CSV format for free download and testing.
Some interesting statistics for
Australia...
- National Average for
"number of neighbours" for all
postcodes is 5.
- 75% of all postcodes have
between 3 and 7 neighbours.
- Only 4% of postcodes have
more than 10 neighbours.

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