zip code

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zip code

The mail carrier sorts letters by zip code.

Definition
  1. Noun:
    • A postal code: A "zip code" is a system of postal codes used by the United States Postal Service (USPS). It is a series of numbers, and sometimes letters, that identifies a specific geographic delivery area to facilitate the efficient sorting and delivery of mail.
Usage
  • The term "zip code" is used primarily in the context of the United States. It is written as part of a mailing address, typically on the last line after the city and state.
  • It is a countable noun (e.g., , ).
  • The standard format is five digits (e.g., 90210). An extended format, ZIP+4, includes the five-digit ZIP Code, a hyphen, and four additional digits (e.g., 90210-1234).
Examples
  • Noun:
    • Please include your full name, street address, and zip code on the form.
    • The package was delayed because the sender wrote the wrong zip code.
    • This online store only ships to zip codes within the continental United States.
Advanced Usage
  • "To zip-code" (verb, informal): To assign a zip code to an area or to look up a zip code.
    • The new housing development hasn't been zip-coded yet.
  • Metonymic Use: Sometimes used to refer generally to a neighborhood or area characterized by its zip code.
    • Homes in that zip code are very expensive.
Variants and Related Words
  • Postal code (n): The generic term used in many other countries for a series of letters and/or digits used in a postal address. (e.g., Canada, UK).
  • ZIP Code (n): A trademarked form, often seen in official USPS communications. "ZIP" is an acronym for Zone Improvement Plan.
  • Postcode (n): Common term used in the United Kingdom and some other countries.
Synonyms
  • Postal code: The general international term.
  • Postcode: Primarily used in the UK and Commonwealth nations.
  • ZIP: An informal shortening (e.g., "What's your ZIP?").
Related Phrases
  • Zip code lookup: The act of finding the correct zip code for an address.
    • I had to do a zip code lookup on the USPS website.
  • By zip code: Organized or grouped according to zip code.
    • The data is sorted by zip code.
zip code

The mail carrier sorts letters by zip code.

Noun
  1. a code of letters and digits added to a postal address to aid in the sorting of mail