28 votes

Determining which US zipcodes map to more than one state or more than one city?

There are 13 multi-state US Census' ZIP Code Tabulation Areas (ZCTAs): 02861, 42223, 59221, 63673, 71749, 73949, 81137, 84536, 86044, 86515, 88063, 89439 & 97635. As others have mentioned, there ...
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21 votes
Accepted

Are there duplicate Zip codes in the US?

There are no duplicate ZIP Codes. There are some ZIP Codes that are multi-part polygons, but those polygons are usually adjacent. Source: I manage/update ZIP Codes for the USPS
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  • 6,876
8 votes
Accepted

Complete list of UK postcodes plus their city, county, uk country

OS Code-Point Open is probably the best you will get for free, and should provide you with all the data you need.
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  • 1,665
7 votes

Looking for postal areas for Germany

A more recent shapefile can be found here: Postleitzahlen Deutschland (http://www.suche-postleitzahl.org/downloads) Licensing same as OpenStreetMap Copyright and License, where the data comes from.
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  • 75.2k
7 votes

US ZIP Codes +4 By State or County- Shapefile (or table/dbf)

Some background: The USPS maintains zip codes as sets of delivery zones(5 digit) and routes(+4 digits), usually along streets with address boundaries. USPS does not maintain zip codes in any shape ...
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  • 2,234
6 votes

Determining which US zipcodes map to more than one state or more than one city?

2016 TIGER Data with PostGIS As a special caveat, ZCTA data isn't USPS Zip Codes. It's an approximation of it. USPS Zip Codes are really horrible and not useful except to approximate. Everyone, ...
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  • 6,721
6 votes

Postcodes mapping

You can download Code-point Open from https://www.ordnancesurvey.co.uk/business-and-government/products/code-point-open.html to get a coordinate of each postcode unit that you can join to your ...
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  • 1,628
5 votes

UK Post Code Location References

Ordnance Survey provides some free open data on postcodes called 'Code-Point Open'. It is a csv of the post-code with a lat long attribute. I'd suggest getting hold of this data then extracting just ...
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  • 4,282
4 votes
Accepted

Variations in postal codes: canonical forms?

All of the world's postal code formats are tabulated here: http://www.grcdi.nl/gsb/world%20postal%20code%20formats.html Some countries may precede their postal codes with a country code, as you ...
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4 votes

Seeking shapefile for postal codes/zip codes of India?

This is probabaly not the answer you are looking for, but here it is: You won't find them, since no one (not even the Postal Department) has Authentic Boundaries. Pin codes in India are a way of ...
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4 votes
Accepted

Location of UK Town to Postal Sector database or .csv

Try the Ordnance Survey Code Point Open. It has administrative district code and administrative ward code attributes you can join to ons codes to get the relevant information.
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3 votes

Complete list of UK postcodes plus their city, county, uk country

I would recommend the National Statistics Postcode Lookup. It seems to be the official source.
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3 votes

Map of Russia's administrative divisions

Try here: https://mydata.biz/ru/catalog/databases/borders_ru ; there are 9 levels to choose from, the most detailed of which is level 8.
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3 votes

Shapefile for post codes in Portugal?

I agree you are best asking this on the Open Data stack exchange. But there is this great search tool called Google, type anything like "free portugal postcode data" and first thing it throws up is ...
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  • 39.7k
3 votes

Location of UK Town to Postal Sector database or .csv

Ordnance Survey Open Names (open data) gives you postcode and populated place, where populated place is a city, town, village, or some other place where people live. For example: SW1A 1AA -> City of ...
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3 votes

Looking for a shapefile for Europe on 4-digit postal code

You (incorrectly) assume that all postal codes in Europe have the same format. Although 4-digit postal codes are common, there are also a lot of countries that use 5 (Germany, France, Italy, etc.). ...
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  • 352
3 votes
Accepted

Eurostat - postcodes & LAU

May be too late for your needs but this is now published with a match to LAU/Degree of Urbanisation
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2 votes

Seeking Postcode Shapefiles for UK?

https://datashare.is.ed.ac.uk/handle/10283/2597 This website has the recently updated UK Postcode Area, Postcode District and Postcode Sector shapefiles in the 'GB_Postcodes.zip' file.
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  • 129
2 votes
Accepted

Producing map of higher level regions using postal codes in SAS only?

If PROC GMAP can do this then I would expect the operation to have a name of something like Dissolve, which in other GIS packages merges polygons based on a common attribute values. My Google ...
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  • 63.9k
2 votes

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

like the previous answer this is also a commercial provider: DDS digital data services GmbH, based in Karlsruhe, Germany offers postcode data for most of the world. Much of their data targets at ...
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  • 1,589
2 votes

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

You will find these data here: www.geopostcodes.com
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  • 29
2 votes

Looking for London postcode to area mapping data

OpenData BoundaryLine (Ordnance Survey) ONS Postcode Directory (ONSPD) May 2014 edition. This includes full UK (including Northern Ireland) Code-POINT Code-Point Open (May 2014) This is a mirror ...
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  • 48.6k
2 votes

Looking for London postcode to area mapping data

Start by considering synonyms for what you're calling "colloquial area", other than district or ward: neighborhood, region, zone, etc. See if there are already maps of such areas. Real estate agents ...
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  • 8,604
2 votes
Accepted

USPS Zip Code Zone Information

Here is the code that I use to fetch the JSON data that populates http://postcalc.usps.gov/Zonecharts/. private String getZoneJSON(String zip3Digit) { URL url; HttpURLConnection con; ...
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2 votes
Accepted

The number of residential addresses/houses per zip code for Toronto, Canada

I believe you can purchase it from Teranet but this kind of information is extremely expensive and possibly confidential in Ontario. Alternatively, you could download free data from Land Information ...
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2 votes
Accepted

Seeking data for urban and rural areas of United Kingdom?

Have a look at http://www.ons.gov.uk/ons/guide-method/geography/products/area-classifications/rural-urban-definition-and-la/rural-urban-definition--england-and-wales-/index.html for the official ...
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  • 75.5k
2 votes
Accepted

Seeking postcode shapefiles & census data for Netherlands

Things have changed since 2015 I guess, currently there are multiple free methods to obtain data and geometry of postal codes. It is unfortunately slightly harder to find when one cannot read Dutch. I'...
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2 votes

Postal code shapefile for france?

This seems to be what you're looking for. https://www.data.gouv.fr/en/datasets/fond-de-carte-des-codes-postaux/ The translated help file from the ZIP file is below: =================================...
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2 votes

How can I get one neighbourhood name using address and/or postal code?

You might try the International Address Verification API from SmartyStreets.com. Having never been to Argentina I'm not very familiar with their neighborhood system but here is some output from the ...
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2 votes

Complete list of UK postcodes plus their city, county, uk country

OS Open Names might be a better option as it has postcode, populated place (could be a city, town, village etc), unitary county, and country. Note that these fields will not always be what you might ...
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