The Most Expensive ZIP Codes 2006

What's the difference between 11962 and 28741? When it comes to house prices, the answer is $2,125,000.
Those ZIP codes bookend Forbes.com's annual list of the priciest areas in the country--neighborhoods where home costs soar far above the norm. This year, we collected the top 500 most expensive ZIP codes in the U.S. They include the most famous (perhaps the only famous) ZIP in the country, Beverly Hills, 90210; some towns that are