What is an ISO 4217 currency code?
ISO 4217 defines three-letter currency codes such as USD for US Dollar, CNY for Chinese Yuan, and EUR for Euro.
Currency Directory · ISO 4217
World Currency List
A world currency reference you can actually look things up in: which country uses what, the ISO codes (the three-letter ones like USD or JPY), and how the symbols are written. Handy for checking a destination's currency, filling in a trade invoice, or mapping fields in a multi-currency system. Fun fact: 20 countries share the euro, while the UK — in Europe but outside the eurozone — sticks with the pound.
Country and region currency list
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FAQ
Can one country use multiple currencies?
Yes. Some countries or regions may accept local currency, US dollars, euros, or neighboring currencies. For payments, follow local merchant and banking rules.
Why do some currencies share the same symbol?
Different currencies can share similar symbols, such as $, so formal contexts should use the three-letter currency code.