柯林斯詞典zip code (also ZIP code) (zip codes) 1. N-COUNT Your zip code is a short sequence of letters and numbers at the end of your address, which helps the post office to sort the mail. 郵政編碼[美國英語] 返回 zip code劍橋詞典in the US, a series of numbers that forms part of an address , used to help organize post so that it can be delivered more quickly (美國的)郵政編碼 也見 postcode 返回 zip code