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

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    SCW are you looking for a paid or free source for global postcodes?
    – Mapperz ♦
    Apr 12, 2011 at 19:07
  • A preference for free, but both are fine.
    – scw
    Apr 12, 2011 at 19:10

3 Answers 3

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Paid for

EZ-Locate (TeleAtlas - owned by TomTom)

http://www.geocode.com/index.cfm?module=download

NAVmart (NavTeq owned by Nokia)

http://www.navmart.com/geocoding.php

http://www.navmart.com/geocoding_services.php

Free

Via Michelin (API and better coverage in Europe rather than globally)

http://dev.viamichelin.com/

Geonames (good open-source - patchy accuracy in rural locations)

http://www.geonames.org/export/reverse-geocoding.html

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Here another one: (10,000 calls per day free) https://simplegeo.com/docs/clients-code-libraries

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I asked a question recently, trying to achieve the opposite (had city, country wanted lat/long). I used this free database. It won't give you postcodes (so it's not really an answer), but it does give you city and country, if that is useful.

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