Meaning of zip code

zip' code"

Pronunciation: [key]
  1. a system used in the U.S. to facilitate the delivery of mail, consisting of a five- or nine-digit code printed directly after the address, the first five digitsindicating the state and post office or postal zone, the last fourthe box section or number, portion of a rural route, building, or other specific delivery location.


Pronunciation: (zip'kōd"), [key]
— -cod•ed, -cod•ing.
  1. to provide or mark with a zip code: Zip-code all mail.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.