When you search for a zip code, the map zooms and centers on the location of the zip code.

在搜索一个邮政编码时，地图会以这个邮政编码的位置为中心放大。

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Find all zip code areas that overlap with any of the census blocks, and find all streets that lie within the minimum bounding rectangle (MBR) of any of those zip code areas.

发现与人口普查区重叠的邮政编码区域，并发现这些区域中最小边界矩形(MBR)内的所有街道。

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For example, a zip code lookup relationship might map the phone area code "650" to the zip codes "94010," "94305," and so on.

例如，邮政编码查询关系可以将电话区号“650”映射到邮政编码“94010”、“94305”等。

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The examples go on: a five-digit zip code vs. a nine-digit zip code, and so on.

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All you do is type in an address and a zip code and there it is?

NPR: Web Site Offers One Stop for Real Estate Data