Definition of "zip code" []

• A postal code, especially for addresses served by the US Postal Service, consisting of a five- or nine-figure number. (noun)

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• "Just take a peek at one small community zip code 37055 along Eno Road in Dickson County, Tennessee."
• "Because Ready could look at a map of a four-square-mile area of the city located within its unique zip code, and with a few hours of mind-numbing work, he could isolate a single, distinct house within that zip code using only the house number as an indicator of where it was."
• "I wanted to investigate any links between my own lightbulbs and blowing the tops off of mountains in Appalachia, so I went to the www.ilovemountains.org website, which allows anyone in the United States to type in a zip code and see which mountains were destroyed for your power."