[postgis-users] Zip code polygons

[the Robot Vegetable]

  Be careful with ZIP codes, they really aren't "areas" per se.

  That said, this discusses abit:

  http://www.census.gov/geo/ZCTA/zcta.html

  and files are accessible through this page:

  http://www.census.gov/geo/www/bob/bdy_files.html


	veg



On Thu, 13 Jul 2006, dnrg wrote:

> > Mark Thomas - independent GIS developer/contractor
> > 1) geocoding, zip code lookups, radius lookups (i.e.
> > is gimme everything within XXX miles of 123 main st,
> > somewhere, AL 12345), and
> 
> Hi Mark and list. I need to do the same with zip codes
> and radius lookups.
> 
> Where can I get a shapefile of zip code polygons to
> load into PostGIS? Is anything like this available for
> free, or must I purchase it from someone? Free is
> better. I don't believe the USPS maintains a zip code
> polygon shapefile. How does one go about getting or
> creating one?
> 
> Thanks.
> 
> Dana
> 
> 
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