Re: [SLUG] Zip to County List

From: Anthony DiPierro (slug@inbox.org)
Date: Wed May 03 2006 - 16:56:51 EDT


On 5/3/06, steve szmidt <steve@szmidt.org> wrote:
> On Wednesday 03 May 2006 15:02, Paul M Foster wrote:
> > steve szmidt wrote:
> > > Hi,
> > >
> > > I'm putting together a table to lookup sales tax per county.
> > >
> > > What I'm missing is a zip code per county list. If you know specifically
> > > where that is available for free, or have it, please let me know.
>
> >
> > However, I decided to search for "county zip" on the usps.com site, and
> > found the following:
> >
> > http://www.usps.com/ncsc/addressinfo/citystate_print.htm
>
> Thanks! However it's missing the vital county information...
>
Zip codes don't correlate to counties. Some zip codes exist in
multiple counties.

That said, if a few mistakes aren't too much of a problem, the FIPS55
data should have what you're looking for.
http://geonames.usgs.gov/fips55.html

http://www.census.gov/geo/www/gazetteer/places2k.html is another place
to look. The data there is going to be a little harder to parse, but
it's more accurate.

By the way, is your software going to be free? Any chance I can get a
free copy if not? I do tax preparation and wind up looking up about
10-20 counties a year manually by searching through the internet. Not
enough to pay for a solution, but a free tool wouldn't be so bad :).

Anthony

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