zip code

US/ˈzɪp koʊd/

noun

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

“Wallace and Brewer are almost certain to finish 1-2 in some order – no one else is even in the same zip code.”

Meanings

zip code1

nounzip code (plural zip codes)

plural zip codes · alternative zipcode · alternative ZIP Code · alternative ZIP code · alternative Zip Code · alternative Zip code

  1. USA postal code, especially for addresses served by the US Postal Service, consisting of a five- or nine-figure number.

    90210 was a television show popular in the 1990s about a group of high school students and their families who all lived in the zip code 90210 in Beverly Hills, California, an affluent suburb of Los Angeles.

    2009, Judy Root Aulette, Judith G. Wittner, Kristin Blakely, Gendered Worlds, Oxford University Press, →ISBN, page 351

    Synonyms: zip, ZIP

  2. USbroadlyAny postal code.

    For example, the foreign zip code H24 JZL is most certainly not a number.

    1990, Alan Simpson, Paul Lichtman, The First Book of Lotus 1-2-3, H.W. Sams & Company, →ISBN
    1 more example

    Carrying the package to the stairs inside, I noticed it was addressed to Mom and me with a European zip code and stamp.

    2011, Jaime Reed, Burning Emerald, Kensington Publishing Corp., →ISBN, page 46

    Synonyms: postal code, postcode

  3. PhilippinesA postal code, especially for addresses served by PhilPost, consisting of a four-figure number.
  4. broadlyhobbiesA grouping of athletes or teams with similar skill level.

    Wallace and Brewer are almost certain to finish 1-2 in some order – no one else is even in the same zip code.

verbzip code (third-person singular simple present zip codes, present participle zip coding, simple past and past participle zip coded)

present singular third person zip codes · participle present zip coding · participle past zip coded · past zip coded · alternative zipcode · alternative ZIP Code · alternative ZIP code · alternative Zip Code · alternative Zip code

  1. transitiveTo provide with, or allocate to, a zip code.

ZIP Code2

nounZIP Code (plural ZIP Codes)

plural ZIP Codes

  1. uncommonUncommon form of zip code.

ZIP code3

nounZIP code (plural ZIP codes)

plural ZIP codes

  1. alternativeAlternative form of zip code.

    New York State had two ZIP codes in the top 10 nationally, both in the Hamptons, famous for its high-end beachfront properties.

    2024 November 28, Josh Ocampo, “Expensive ZIP Codes Have Something in Common”, in The New York Times

Zip Code4

proper nounZip Code (plural Zip Codes)

plural Zip Codes

  1. alternativeAlternative form of ZIP Code.

Zip code5

nounZip code (plural Zip codes)

plural Zip codes

  1. alternativeAlternative form of ZIP Code.

Synonyms & antonyms

nounA postal code, especially for addresses served by the US Postal Service, consisting of a five- or nine-figure number.

Similar

nounAny postal code.

More synonyms by meaning

nouna code of letters and digits added to a postal address to aid in the sorting of mail

Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

zip code · noun, verb

From ZIP Code, a trademark of the United States Postal Service, from ZIP (“Zone Improvement Plan”), introduced 1963.

Full word history & related roots →

ZIP Code · noun

Trademark of United States Postal Service, from ZIP (“Zone Improvement Plan”), introduced 1963.

Full word history & related roots →

Translations

Finnish zip-koodi
  • zip-koodiUS postal code
Japanese ジップコード
  • ジップコード (jippu kōdo)US postal code
Korean 짚 코드
  • 짚 코드 (jip kodeu)US postal code
Polish kod pocztowy
  • kod pocztowyUS postal code
Spanish código postal
  • código postalUS postal code
Cite this entry
APA

zip code. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/zip%20code

MLA

“zip code.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/zip%20code. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “zip code,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/zip%20code.

Source: zip code on Wiktionary, CC BY-SA 4.0.