ISO 4217

ISO 4217 is a standard published by International Organization for Standardization (ISO) that defines alpha codes and numeric codes for the representation of currencies and provides information about the relationships between individual currencies and their minor units. This data is published in three tables:

  • Table A.1 – Current currency & funds code list[1]
  • Table A.2 – Current funds codes[2]
  • Table A.3 – List of codes for historic denominations of currencies & funds[3]

An airline ticket showing the price in the ISO 4217 code "EUR" (bottom left) and not the currency sign

The first edition of ISO 4217 was published in 1978. The tables, history and ongoing discussion are maintained by SIX Interbank Clearing on behalf of ISO and the Swiss Association for Standardization.[4]

The ISO 4217 code list is used in banking and business globally. In many countries the ISO 4217 alpha codes for the more common currencies are so well known publicly that exchange rates published in newspapers or posted in banks use only these to delineate the currencies, instead of translated currency names or ambiguous currency symbols. ISO 4217 alpha codes are used on airline tickets and international train tickets to remove any ambiguity about the price.


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