# postcode

> English word · Noun · IPA /ˈpəʊs(t)kəʊd/ · frequency rank #29,045

## Definitions
1. A sequence of letters and numbers added to a postal address to aid the sorting and delivery of post or mail.
2. A sequence of letters and numbers added to a postal address to aid the sorting and delivery of post or mail.
3. A four-digit number added to a postal address to sort and deliver mail.

## Etymology
From post + code.

## Easily confused with
- **postpone** (https://plainspell.com/en/vs/postcode-vs-postpone)
- **passcode** (https://plainspell.com/en/vs/passcode-vs-postcode)

## Common misspellings (12)
`opstcode`, `posctode`, `posstcode`, `postccode`, `postcdoe`, `postcodde`, `postcoed`, `postocde`, `posttcode`, `potscode`, `ppostcode`, `psotcode`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/postcode