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From:Scott Gifford Date:June 27 2005 3:27am
Subject:Re: Calculate LONG/LAT from ZIP+4
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Brian Dunning <brian@stripped> writes:

> You have to purchase a database. ZIP codes are not geographic, you
> can't calculate lat/lon from them. Here is one source:
> http://www.zipwise.com

As I said below, you can download a free database from the US Census
Bureau.  Specifically, the data here:

    http://www.census.gov/tiger/tms/gazetteer/zcta5.txt

contains ZIP codes and lat/lon information.  I've not used that data,
but I've used this file from 1999 with good results:

    http://www.census.gov/geo/www/tiger/zip1999.html

Apparently that will no longer be updated, though, so the ZCTA data is
probably better.

----ScottG.

[...]

> On Jun 26, 2005, at 6:43 PM, Scott Gifford wrote:

[...]

>> In the U.S., you can use the census data:
>>
>>     http://www.census.gov/geo/www/gazetteer/places2k.html
Thread
Calculate LONG/LAT from ZIP+4Jack Lauman27 Jun
  • Re: Calculate LONG/LAT from ZIP+4Scott Gifford27 Jun
    • Re: Calculate LONG/LAT from ZIP+4Brian Dunning27 Jun
      • Re: Calculate LONG/LAT from ZIP+4Scott Gifford27 Jun
        • Re: Calculate LONG/LAT from ZIP+4Brian Dunning27 Jun
          • Re: Calculate LONG/LAT from ZIP+4Scott Gifford27 Jun
            • Re: Calculate LONG/LAT from ZIP+4Brian Dunning27 Jun
  • Re: Calculate LONG/LAT from ZIP+4Kieran Kelleher28 Jun
  • Re: Calculate LONG/LAT from ZIP+4Mattias Håkansson28 Jun
    • Re: Calculate LONG/LAT from ZIP+4Kieran Kelleher28 Jun
      • Re: Calculate LONG/LAT from ZIP+4Brian Dunning28 Jun
        • Re: Calculate LONG/LAT from ZIP+4Kieran Kelleher28 Jun
    • Re: Calculate LONG/LAT from ZIP+4Brian Dunning28 Jun
      • RE: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude)Daevid Vincent25 Apr
RE: Calculate LONG/LAT from ZIP+4Dirk Bremer28 Jun
RE: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude)Gmail User25 Apr
  • RE: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude)Daevid Vincent25 Apr
RE: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude)Gmail User25 Apr
  • RE: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude)Tim Lucia25 Apr
RE: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude)Nicolas Verhaeghe25 Apr
RE: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude)Jay Blanchard25 Apr
  • Re: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude)Webmaster25 Apr
  • RE: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude)Daevid Vincent25 Apr
RE: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude)Jay Blanchard26 Apr
Re: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude)Peter Brawley26 Apr
  • RE: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude)SST - Adelaide)26 Apr
    • RE: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude)Nicolas Verhaeghe26 Apr
RE: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude)Nicolas Verhaeghe26 Apr
  • Re: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude) \"Adam i Agnieszka Gąsiorowski FNORD aka ALinkA aka symbol '( { .A. } )'' ||~> { A.A }\" 2 May
    • RE: Calculate LONG/LAT from ZIP+4 (positve vs. negative longitude)Gary M. Allen3 May