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carlosrapa
01-15-2004, 06:38 PM
We have a company that has many distributors through out the nation... I would like to write a small program that has a couple of fields...

It is commonly found on websites like Radioshack.com or circuitcity.com....


I want the user to be able to type in an address or city/state and indicate the max amount of miles they are willing to travel... and be given a list of the closest distributors/stores to them...

How do these popular websites do it???

Just curious,
Thanks a Bunch,
Carlos

gSOLO_01
01-15-2004, 07:24 PM
There are plenty of web services (http://www.google.com/search?sourceid=navclient&ie=UTF-8&oe=UTF-8&q=zip+code+distance+web+service) out there that you could hook into.

You can also download (http://spatialnews.geocomm.com/newsletter/2000/jan/cenzuszipcodes.zip) [1990] / purchase (http://spatialnews.geocomm.com/newsletter/2000/jan/zipcodes.html) some info...

http://www.zipcodeworld.com/developers.htm

... and create something to parse and calculate the info yourself (see bottom of page for examples).