Define: ZIP Code

UK Accounting Glossary

Definition: ZIP Code

Quick Summary of ZIP Code

The US version of a postal code.

What is the dictionary definition of ZIP Code?

Dictionary Definition

A Zip code is the US name for a postcode.

It consists or a 5 or 9 digit code, the first 5 digits pertaining to the state and postal zone/post office, the last four digits the rural route, building, or other delivery location.


Full Definition of ZIP Code

ZIP Code is a postal code used by the United States Postal Service (USPS) in a system it introduced in 1963.

The term ZIP is an acronym for Zone Improvement Plan; it was chosen to suggest that the mail travels more efficiently and quickly (zipping along) when senders use the code in the postal address.


Cite Term

To help you cite our definitions in your bibliography, here is the proper citation layout for the three major formatting styles, with all of the relevant information filled in.

Page URL
Modern Language Association (MLA):
ZIP Code. Payroll & Accounting Heaven Ltd. November 21, 2019
Chicago Manual of Style (CMS):
ZIP Code. Payroll & Accounting Heaven Ltd. (accessed: November 21, 2019).
American Psychological Association (APA):
ZIP Code. Retrieved November 21, 2019, from website:

Definition Sources

Definitions for ZIP Code are sourced/syndicated from:

This glossary post was last updated: 4th May 2019.