# ZIP Code

> English word · Noun

## Definitions
1. Uncommon form of zip code.

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/zip-code