# postcode

/pˈəʊstkəʊd/ (UK) · CEFR B1 · Noun

Source: https://englishreference.com/word/postcode
Updated: 2026-05-18

## Definition

a series of letters and numbers used to identify a specific area or building. You use it to help the post office deliver your mail to the right place.

For teachers: a code used to identify a specific geographic area or individual address for the purpose of mail delivery. Common in British English; equivalent to 'ZIP code' in North American English.

## Examples

- Please write your postcode on the envelope.
- The delivery driver asked for the postcode to confirm that the package was going to the correct neighborhood.
- While the city's postcode system is highly efficient, it can sometimes be confusing for international visitors who are not familiar with the specific districts it represents.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.