zip code

1 of 2

noun

variants or less commonly ZIP code
plural zip codes also ZIP codes
1
: a number that identifies a particular postal delivery area in the U.S.
2
: the geographic area identified by a zip code

zip-code

2 of 2

verb

zip-coded; zip-coding; zip-codes

transitive verb

: to furnish with a zip code

Examples of zip code in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Outrage shouldn’t depend on zip code. Robert McGreevy, FOXNews.com, 25 Apr. 2026 Durango saw a 35% rise in March sales, propelled by strong inventory and modest price gains, while inventory in Aurora and Centennial dropped by up to 45% in some zip codes, and prices softened by 1% to 8%. Sara B. Hansen, Denver Post, 24 Apr. 2026
Verb
Endless waiting lists, a shortage of local specialists, and zip-code lotteries can leave families waiting for extended periods, even when neurodivergent flags fly high. K.h. Koehler, USA Today, 13 Apr. 2026 Health coverage should not be a zip-code lottery. Jesse Jackson Jr, Washington Post, 4 Feb. 2026 See All Example Sentences for zip code

Word History

Etymology

Noun

zone improvement plan

First Known Use

Noun

1962, in the meaning defined at sense 1

Verb

1962, in the meaning defined above

Time Traveler
The first known use of zip code was in 1962

Browse Nearby Words

Cite this Entry

“Zip code.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zip%20code. Accessed 1 May. 2026.

Kids Definition

zip code

noun
: a number that identifies each postal delivery area in the U.S.

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