1 of 5: Corona Del Mar came in at No. 48 on Forbes' list of America's 50 Most Expensive Zip Codes. A New Jersey zip code ranked No. 1, but California dominated the list, compiled with the help of Altos Research which pulled pricing info for more than 20,000 zip codes across the U.S. from June 2011 to September 2011. (flickr.com/livenature)

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