\ ˈzip-ˌkōd \
zip-coded; zip-coding; zip-codes

Definition of zip-code 

(Entry 1 of 2)

transitive verb

: to furnish with a zip code

zip code

noun, often capitalized Z&I&P

Definition of zip code (Entry 2 of 2)

1 : a number that identifies a particular postal delivery area in the U.S.

2 : the geographic area identified by a zip code

Examples of zip-code in a Sentence

Recent Examples on the Web: Noun

Anyone interested in participating can visit the Families Belong Together site and search for rallies by zip code. Gina Martinez, Time, "Thousands Are Expected to Attend the Families Belong Together Marches Across the U.S. Here's What to Know," 29 June 2018 Add to the list of realities that people in particular zip codes and income brackets in major metropolitan centers cannot avoid: Galas. Wednesday Martin, Town & Country, "Is it Time to Say Bye-Bye to the Black Tie Charity Ball?," 2 May 2017 According to DFP’s modeling, CAP’s proposal boasts roughly 69 percent support in urban zip codes, and 67 percent in rural ones. Eric Levitz, Daily Intelligencer, "Ocasio-Cortez’s Socialism Can Work In The Midwest – With a Rebrand," 3 July 2018 The first suggestion that this is not your average college apartment is the neighborhood: Tribeca, one of Manhattan’s priciest zip codes. Olivia Martin, Town & Country, "Delilah Belle Hamlin's Luxurious Dorm Room is a Tribeca Apartment," 28 June 2018 And, according to a press release, it’s set among good company, sharing a zip code with the estates of Martha Stewart, George Soros, and Ralph Lauren. Lauren Ro, Curbed, "Ultimate equestrian estate just outside NYC wants $8.5M," 22 June 2018 The program will operate out of a mobile unit, hitting zip codes with the highest rates of drug use. James Briggs, Indianapolis Star, "Indianapolis council rejects Downtown tax; approves money for education, streets," 18 June 2018 Influence increasingly knows no single zip code and no minimum age. Edward Felsenthal, Time, "Edward Felsenthal on the Future of TIME and the Power of the TIME 100," 25 Apr. 2018 America's most expensive zip code is actually 33109 — Fisher Island, just south of Miami, Florida. Caitlin O'kane, CBS News, "America's most expensive zip code is on a Florida island," 11 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'zip-code.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of zip-code


1964, in the meaning defined above


1963, in the meaning defined at sense 1

History and Etymology for zip-code


zone improvement plan

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Dictionary Entries near zip-code





zip code

zip fastener

zip file

Statistics for zip-code

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Time Traveler for zip-code

The first known use of zip-code was in 1963

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More Definitions for zip-code

zip code


English Language Learners Definition of zip code

: a group of numbers that is used in the U.S. as part of an address to identify a mail delivery area (such as a town or a part of a city)

zip code


Kids Definition of zip code

: a number that identifies each postal delivery area in the United States

Comments on zip-code

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to make amends

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