Your first step will be to check if Japanese postal codes really do
correspond to geographic regions. Even in the US, they do not
actually indicate geographic regions, thus any application that
depends on them will definitely have problems. While you have success
with the first three digits, the next few are assigned in a number of
different ways.
(In the US, the zip code actually designate sorting centers, not
locations. The codes assigned to a location may not correspond to the
geographically closest center, and many codes have no meaningful
location at all.)
Eric Hildum
eric.hildum@mobileplay.com
On Nov 28, 2005, at 6:30 PM, Mike Sheetal wrote:
> Hi everyone,
>
> I am looking at implementing some nice location based system that uses
> GPS, but am also adding support for non-GPS enabled phones and
> desktops. The best strategy I have currently is to use the zip code
> and
> reference that to a GPS location. I have the latest list of Japanese
> zip codes from the post office (all 210,000 of them) but no data that
> points each one to a particular GPS location.
> Has anyone stumbled on a data source ( csv, xml, other extractable
> data) that pairs japanese zip codes with a GPS location?
> The only other solution I have is to use yahoo to scrape GPS
> locations,
> although with 210,000 to check, I would need top write a script to
> handle that operation... better to look elsewhere first.
>
> (i also stumbled on a small app that had that info a little while ago,
> but it didn't appear to be exportable to a db)
>
>
> thanks,
> mike
>
> ---------------------------------
> Mike Sheetal - Head of Creative Development
> CyberMedia K.K.
> msheetal@cyber-media.co.jp
> Tel. 03-5423-5333 Fax. 03-5423-5340
>
>
> This mail was sent to address EricHildum@earthlink.net
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Received on Fri Dec 2 06:41:42 2005