ISO Currency Codes

by Stephan Smith on June 5, 2011

Forex traders around the world uses ISO currency codes when trading currencies and to create currency pairs. But what are ISO currency codes and why do Forex traders use them. In this post, I will explain what ISO currency codes are and what ISO stands for. I also will list some of the popular currency codes.

What are ISO Currency Codes?

ISO currency codes are internationally accepted three letter currency abbreviations based on the ISO country codes. The ISO currency codes are also internationally accepted three digit numeric codes used to represent currencies.

Here’s an example. The United States dollar’s ISO alphabetic currency code is USD. As you see, USD is a three letter currency abbreviation – United States dollar. The ISO country code for the United States of America is US (two letter code), or USA (three letter code).

The ISO alphabetic currency code USD, is based on the two letter ISO alphabetic country code US. The “D” was added to represent the word ‘dollar’. The United States dollar’s ISO numeric currency code is 840. An ISO currency code can be represented using letters or numbers. But what does ISO mean?

International Organization for Standardization

ISO stands for International Organization for Standardization. The International Organization for Standardization is a network of over one hundred and fifty institutes in over one hundred and fifty countries around the world (one institute per country). Their goal is to provide worldwide accepted international standards. Their headquarters is located in Secretariat in Geneva, Switzerland.

The International Organization for Standardization Address
1, ch. de la Voie-Creuse
CP 56
CH-1211 Geneva 20

Website address:

ISO Logo - International Organization for Standardization Logo

This is the logo for the International Organization for Standardization.

Popular ISO Currency Codes

Below are some of the more popular ISO currency alphabetic and numeric codes.

United States dollar – USD – 840
European euro – EUR – 978
British pound – GBP – 826
Japanese yen – JPY – 392
Swiss franc – CHF – 756
Canadian dollar – CAD – 124
Australian dollar – AUD – 036
New Zealand dollar – NZD – 554
Hong Kong dollar – HKD – 344
Singapore dollar – SGD – 702
South African rand – ZAR – 710
Mexican peso – MXN – 484
Gold – XAU – n/a
Silver – XAG – n/a
Danish krone – DKK – 208
Polish zloty – PLN – 985
Turkish lira – TRY – 949
Swedish krona – SEK – 752
Norwegian krone – NOK – 578

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