For example, Los Altos Hills (No. 7) and Los Altos (No. 63) share 94022.

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So they tore out the apricot orchard in their Los Altos Hills, Calif. home and planted grapevines.

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Silicon Valley accounts for three of the top 10 ZIP codes, including Atherton, Hillsborough 94010 (No. 5), and Los Altos Hills 94022 (No. 7).

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That includes eight in Palo Alto, six in Woodside and five for Atherton, with sprinkling in San Mateo, Portola Valley, Los Altos Hills and Mountain View.

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According to The San Jose Mercury News, Milner bought the property in Los Altos Hills with a combination of cash and pre-IPO Facebook shares, from Fred Chan, the founder of ESS Technology.

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