On Mon, Jun 27, 2005 at 17:09:37 -0400,
Vivek Khera <vivek(at)khera(dot)org> wrote:
>
> On Jun 27, 2005, at 4:36 PM, John Browne wrote:
>
> >I'm interested in doing a project for calculating distances similar to
> >this. Anyone have suggestions on how/where this type of data can be
> >obtained? Is it freely available anywhere?
> >
>
> Google is your friend. There are places that sell very well kept
> zipcode databases for under $50.
The US government gives it away for free. Look for "tiger".