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or ZIP-code, Zip-code

[zip-kohd] /ˈzɪpˌkoʊd/
verb (used with object), zip-coded, zip-coding.
to provide or mark with a zip code:
Zip-code all mail.

zip code

or ZIP code, Zip code

a system used in the U.S. to facilitate the delivery of mail, consisting of a five- or nine-digit code printed directly after the address, the first five digits (initial code) indicating the state and post office or postal zone, the last four (expanded code) the box section or number, portion of a rural route, building, or other specific delivery location.
Origin of zip code
1960-65, Americanism; Z(one) I(mprovement) P(rogram) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for zip-code

zip code

the US equivalent of postcode
Word Origin
C20: from z(one) i(mprovement) p(lan)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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