postal code
Sign in to saveseries of letters and digits for sorting mail
AI overview
A postal code is a series of letters and digits that helps sort and deliver mail to the right address. It matters because it makes the mail delivery system more efficient and ensures your letters and packages reach their destination.
AI-generated from the Wikipedia summary — may contain errors.
Article
Post office sign in Farrer, Australian Capital Territory, showing postcode 2607
A postal code (also known locally in various English-speaking countries throughout the world as a postcode, post code, PIN or ZIP Code) is a series of letters or digits or both, sometimes including spaces or punctuation, included in a postal address for the purpose of sorting mail.