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I am planning to import the data dump from osm the planet.osm and get the lat/long based on zipcodes. But I see zipcodes are not part of planet.osm. Does OSM allow this functionality? |
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You are allowed filter from Planet.osm whatever you want. ZIP code coverage varies for different areas or countries. Please have a look at http://wiki.openstreetmap.org/wiki/Key:postal_code and http://wiki.openstreetmap.org/wiki/Key:addr:postcode |
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At least in the US, ZIP codes don't line up with geographic areas, they line up with postal routes. In a few cases, there's situations where two zipcodes checkerboard an otherwise coherent polygon. Worse, zip codes, particularly in rural areas, tend to be in a continuous state of flux. It's best to stick to the postal_code key on known addresses in the US. |
