Scott Dexter wrote: > There's a service we used that provided us with a Zip code database that > included the long/lat pairs. That was from Mailer's Software (800-800-MAIL, > http://mailerssoftware.com/). If you don't want to shell out $495 for a ZIP code/latitude/longitude database, you could download it for free here. It's from 1990, but that should be fine for most people. http://ftp.census.gov/geo/www/gazetteer/places.html Here are some detailed instructions on building such a tool with Perl/MySQL. http://www.webdevelopersjournal.com/articles/dealer_locator.html -- Andy.