Postcodes / Zipcodes 100% open

What data is expected?

A database of postcodes/zipcodes and the corresponding geospatial locations in terms of a latitude and a longitude (or similar co-ordinates in an openly published national co-ordinate system). A database which gives a location in terms of the name of a town or a street without lat/long co-ordinates is not considered acceptable unless the name of the town or street can be further converted to a latitude and longitude by means of other open data (eg an open gazetteer with latitude and longitude attributes).

What data is available

•   Does the data exist? Yes
•   Is data in digital form? Yes
•   Publicly available? Yes published by Ministeriet for By- Bolig og Landdistrikter)
•   Is the data available for free? Yes
•   Is the data available online? Yes (Here)
•   Is the data machine readable? Yes (json, csv, xml, geojson)
•   Available in bulk? Yes
•   Openly licensed? Yes(Here)
•   Is the data provided on a timely and up to date basis? Yes

Details

First link provided contains maps of postal areas Postal codes can also be found at: http://www.postdanmark.dk/da/Privat/Kundeservice/postnummerkort/Sider/home.aspx QA question: Please explain how to obtain the data required for this item of the census according to the definition above. The file at www.postdanmark.dk contains postcodes and town/commune names, without geolocations in lat/long or equivalent. The link is to an inventory of maps, in shape files: how would these be used to obtain a table of postcodes and their lat/long please? Answer: The postcode information is available in multiple formats for different purposes. For polygons on maps (incl. lat/long), see here http://www.gst.dk/Emner/Frie_data/Hvilke+data+er+omfattet/Hvilke+data+er+frie/Landinddelinger/DAGI/DAGI-download.htm and here http://www.adresse-info.dk/Default.aspx?tabid=220 (text in Danish, maps in shape, mapinfo and geomedia). There's also a webservice from which you can enter an address and obtain the postcode. I'm not an expert in geodata myself so in order to answer the postcode-related questions at the Census I had help from https://twitter.com/neogeografen (who might be more helpful in order to explain how to find the data of your need). Thanks to Andrew Stott and Neografen for help on this

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Provided name and link for correct official API-provider of zipcodes and other various address endpoints.