[Developers] mapping Zip codes to other location info?

[Rich Morin]

Some of the need for polygonal information might be reduced if
Zip+4 data were available, as it is much higher resolution.  Of
course, this assumes that the query itself uses Zip+4...

Also, I'd like to suggest that each location be linked to its
"neighbors".  For example, 94006 (San Bruno, CA) is just over
the ridge from 94044 (Pacifica, CA).  I suspect that this can
be largely automated, based on Lat/Lon information, but that
occasional oddities may have to be handled by hand.

-r
-- 
http://www.cfcl.com/rdm            Rich Morin
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Technical editing and writing, programming, and web development