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English definition of “zip code”

zip code

noun [C] (also ZIP code,    /ˈzɪp ˌkoʊd/)  /ˈzɪp ˌkoʊd/ us  
a series of numbers that forms part of an address in the US and is used to help organize mail for delivery
(Definition of zip code from the Cambridge Academic Content Dictionary © Cambridge University Press)
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