On Sun, Dec 20, 2009 at 12:41 PM, Anthony <o...@inbox.org> wrote: > On Sun, Dec 20, 2009 at 12:29 PM, Jeremy Adams <mile...@king-nerd.com>wrote: > >> One can easily figure out what town someone is from based on their ZIP >> Code. Is this not the case everywhere? >> > > Certainly not. There are lots of zip codes which represent multiple towns, > and lots of towns which represent multiple zip codes. > > You can usually find out an approximate geographical location from a zip > code (at least if it isn't an APO/FPO zip code). But if that's all you > want, you're best off just representing zip codes as single points in the > approximate geographical center of all post boxes which receive mail to that > zip code. Going in the other direction, from lat/lon to zip code (assuming > your lat/lon is the location of a building and/or post box), requires a much > more specialized database which isn't currently available as public domain. >
But the code still represents a geographic area? If this is the case, I don't see why we wouldn't want them in OSM. It'd be the same as administrative boundries, county lines, etc. -Jeremy
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