ZIP Code Definition
zip
noun
A series of digits designating a specific locality in the United States, appended to a postal address to expedite the sorting and delivery of mail.
American Heritage
Such a code number, typically consisting of five digits, although often expanded to nine.
Webster's New World
A series of digits designating a specific locality in the United States, appended to a postal address to expedite the sorting and delivery of mail.
American Heritage
Synonyms:
Other Word Forms of ZIP Code
Noun
Singular:
ZIP code
Plural:
zip-codesOrigin of ZIP Code
From Zone Improvement Plan
From Wiktionary
Originally a trademark
From American Heritage Dictionary of the English Language, 5th Edition
Originally a trademark
From American Heritage Dictionary of the English Language, 5th Edition
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