ISO Country Codes

The International Organization of Standardization (ISO) sets out internationally recognised codes, designated to each country and most dependent areas.


ISO Country Codes

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology. Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email Please tell us what format you need. It will help us if you say what assistive technology you use.


The ISO designates each country and most dependent areas, a two digit letter combination (ISO alpha-2), three digital letter combination (ISO alpha-3) and a numerical country code (UN M49 Numerical Code).

A list of these codes is attached.

Published 1 May 2018