A code of letters and digits used as part of a postal address to aid the sorting of mail

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Where can I find shape file for postal codes/zip codes for india?

I have been searching for free/paid (preferably free) sources for postal code shape files for india. Does anyone know where I can find one?
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20 views

Postal Code Geocoding Service for World, Specifically Asia

Does anyone know of a Worldwide postal code database with coordinates (or geocoding service), that has data for Asia? Geonames does not have data for China and a few other countries that I need. If I ...
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1answer
61 views

Plotting Postal Codes from .csv Files in QGIS

I have Canadian postal code data that I would like to plot. This data is currently stored in a simple .csv file. At the moment the only other data I have is FSA data from Statistics Canada. Is ...
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2answers
23 views

How to create postcode areas for country with none?

How are postcodes created? I know postcodes were first created by the Royal Mail in the United Kingdom. If I want to develop and create postcode areas for a new country, how do I go about it? ...
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4answers
113 views

Looking for London postcode to area mapping data

I am looking for London postcode to area mapping data. I have reviewed several databases and API's and most resolve a postcode to at best a district and a ward, which doesn't correspond to the ...
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2answers
50 views

Where can I find a global geocoding dataset based on postal code?

I'm looking to purchase a dataset (with a contract for updates) of postal codes to lat/long and city names for as much of the world as possible. Ideally the data would look like: country_code ...
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2answers
64 views

How do I find major locations within postal codes from GeoNames?

I'm trying to narrow down my postal code table and limit the number or rows to 1 per postal code. I've not had a problem with Canada and the USA. However with Great Britain the data from GeoNames ...
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2answers
174 views

Postal codes in shapefile overlapping

I downloaded some shapefiles from the Australian Bureau of Statistics (ABS). Its basically showing a bunch of suburbs when I view the shapefile through a GIS tool. The GIS tool that I am using at ...
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2answers
223 views

Canada FSALDU 6-digit Postal Code Data Providers

I have been looking into finding point data for the Canadian 6-digit postal code (FSALDU). I have come up with 3 sources so far, 2 being far more expensive than the other. After speaking with the ...
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4answers
390 views

UK Postcode boundaries [duplicate]

Before I go and pay is there a free source for UK Postcode Boundaries, ideally down to Postcode Sector level ("AA00 0" or even better "AA00 0A")? Failing that can I generate them in QGIS if I have ...
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1answer
120 views

Code-Point Polygon Data and Google Maps

I'm currently working with OS Code-point polygons and google maps coordinates. I have google maps point coordinates for a list of houses which are located at the center of each full postcode ...
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2answers
215 views

Japan Data: Postcode/Census

Hi I'm primarily looking for a GIS data source for postal codes in Japan as well as census data for different scales of geography. Has anyone found a good source of these data sets that is in ...
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1answer
52 views

Spaces in postcodes preventing join

I have a shapefile British Columbia with postal codes. The attribute table gives the codes with no spaces, eg V6P2A8. I am trying to join a csv file by postal code (the key I am using). My csv file ...
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3answers
2k views

Which US zipcodes map to more than one state or more than one city?

I'm using a zip code listing, and I am curious to know how many (or which) zip codes map to more than one US state or US city? For instance I know that 42223 resolves to the same city which straddles ...
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2answers
220 views

Convert a UK postal code to a city name?

is there any service to convert a UK postal code to a city name? Does one postal code always map to one city, or to more than one? Is there a free web service to do this conversion for me? Thanks.
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3answers
803 views

Load and display a large number of points using openlayers

I am using OpenLayers.Layer.Vector to load and display KML files. Some of the KML files have a large number of points in them (lets say around 20,000). I am surprised they load at all (in chrome), but ...
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2answers
532 views

UK Postcode District Aggregation

I've had a request recently to generate a map which includes UK Postcode districts, ie aggregations of postcodes based on the first section of the code (NW2, B1, E11 etc.). From what I've read, these ...
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1answer
217 views

Where does Google get updated data about postal codes?

I have been searching for the most recent list of Postal Codes in US but I most of them are two or three years old. I did cross check them with the Google Maps, though most of them them were correct ...
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4answers
7k views

Postcode Shape Files for the UK

I am trying to find the shape files for postcode sector and districts in the UK. Specifically inside London. I know I can go and pay for these but I only really need to use them once. I want to ...
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5answers
499 views

How to calculate purchasing power on postcode level?

Does anyone know of an algorithm to calculate purchasing power on a postcode level? What source data is needed? Purchasing power on admin. level, population?
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3answers
449 views

Data source for determining postal codes given location?

What is the best data source for determining international postal codes given a latitude & longitude?