On that Web site people can enter their zip code and find opportunities to volunteer in their area or local charities to which they can donate.

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This maker of big servers doesn't run on "Internet time" and hasn't tagged itself to the Web boom, even as such rivals as Sun Microsystems zip by.

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Sweeney has also set up a web page for anyone to test how unique their birthdate, gender and zip are in combination.

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Urban suggests going to the National Association of Health Underwriters Web site, where people searching for health insurance can punch in a zip code to get a short list of local and licensed brokers.

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