ISO 4217 is a standard first published by International Organization for Standardization in 1978, which delineates currency designators, country codes (alpha and numeric), and references to minor units in three tables:
- Table A.1 – Current currency & funds code list
- Table A.2 – Current funds codes
- Table A.3 – List of codes for historic denominations of currencies & funds
The ISO 4217 code list is used in banking and business globally. In many countries the ISO 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 codes are used on airline tickets and international train tickets to remove any ambiguity about the price.
The first two letters of the code are the two letters of the ISO 3166-1 alpha-2 country codes (which are also used as the basis for national top-level domains on the Internet) and the third is usually the initial of the currency itself. So Japan's currency code is JPY—JP for Japan and Y for yen. This eliminates the problem caused by the names dollar, franc, peso and pound being used in dozens of countries, each having significantly differing values.
In some cases, the third letter of the code is not the initial letter of the currency name. There are two possible reasons for this to happen:
- It is considered important that the code of a completely new currency be highly mnemonic. An example is the assignment of the code EUR to the euro. ISO 4217 amendment 94, which created this code, states “The code element 'EU' has been reserved by the ISO 3166 Maintenance Agency for use within ISO 4217 where 'R' has been appended to make an acceptable mnemonic code.”. Here the R comes from the third letter in the word “euro”.
- The currency in question is replacing another currency of the same name, due to devaluation. So that the two currencies have different codes, a different third letter must be chosen for the code of the new currency. In some cases, the third letter is the initial for "new" in that country's language, to distinguish it from an older currency that was revalued; the code sometimes outlasts the usage of the term "new" itself (for example, the code for the Mexican peso is MXN). Another solution to a devalued currency having the same name as its predecessor is to choose a third letter which results in a 3-letter code with mnemonic significance. For example, the Russian ruble changed from RUR to RUB following a devaluation, where the B comes from the third letter in the word "ruble".
In addition to codes for most active national currencies ISO 4217 provides codes for "supranational" currencies, procedural purposes, and several things which are "similar to" currencies:
- Codes for the precious metals gold (XAU), silver (XAG), palladium (XPD), and platinum (XPT) are formed by prefixing the element's chemical symbol with the letter "X". These "currency units" are denominated as one troy ounce of the specified metal as opposed to "USD 1" or "EUR 1".
- The code XTS is reserved for use in testing.
- The code XXX is used to denote a "transaction" involving no currency.
- There are also codes specifying certain monetary instruments used in international finance, e.g. XDR is the symbol for special drawing right issued by the International Monetary Fund.
- The codes for most supranational currencies, such as the East Caribbean dollar, the CFP franc, the CFA franc BEAC and the CFA franc BCEAO. The predecessor to the euro, the European Currency Unit (ECU), had the code XEU.
The use of an initial letter "X" for these purposes is facilitated by the ISO 3166 rule that no official country code beginning with X will ever be assigned.
The inclusion of EU (denoting the European Union) in the ISO 3166-1 reserved codes list, allows the euro to be coded as EUR rather than assigned a code beginning with X, even though it is a supranational currency.
Treatment of minor currency units
The 2008 (7th) edition of ISO 4217 says the following about minor units of currency:
Requirements sometimes arise for values to be expressed in terms of minor units of currency. When this occurs, it is necessary to know the decimal relationship that exists between the currency concerned and its minor unit. This information has therefore been included in this International Standard and is shown in the column headed “Minor unit” in Tables A.1 and A.2; “0” means that there is no minor unit for that currency, whereas “1”, “2” and “3” signify a ratio of 10:1, 100:1 and 1 000:1 respectively. The names of the minor units are not given.
Examples for the ratios of 100:1 and 1 000:1 include the United States dollar and the Japanese yen, for which the column headed “Minor unit” shows “2” and “3”, respectively. As of 2020[update], two currencies have non-decimal ratios, the Mauritanian ouguiya and the Malagasy ariary; in both cases the ratio is 5:1. For these, the “Minor unit” column shows the number “2”. Some currencies do not have any minor currency unit at all. These show the number “0”, as with currencies whose minor units are unused due to negligible value.
ISO 4217 also assigns a three-digit code number to each currency, much like the three-digit code number assigned to each country by ISO 3166. The numeric code assigned to a currency by ISO 4217 is usually the same as the numeric code assigned to the corresponding country by ISO 3166-1. For example, USD (United States dollar) has code 840 which is also the numeric code for the US (United States).
Position of ISO 4217 code in amounts 
The ISO standard does not regulate either the spacing, prefixing or suffixing in usage of currency codes. According however to the European Union's Publication Office, in English, Irish, Latvian and Maltese texts, the ISO 4217 code is to be followed by a hard space and the amount:
- a sum of EUR 30
In Bulgarian, Croatian, Czech, Danish, Dutch, Estonian, Finnish, French, German, Greek, Hungarian, Italian, Lithuanian, Polish, Portuguese, Romanian, Slovak, Slovene, Spanish and Swedish the order is reversed; the amount is followed by a hard space and the ISO 4217 code:
- une somme de 30 EUR
Note that, as illustrated, the order is determined not by the currency, but by the native language of the document context.
In 1973, the ISO Technical Committee 68 decided to develop codes for the representation of currencies and funds for use in any application of trade, commerce or banking. At the 17th session (February 1978), the related UN/ECE Group of Experts agreed that the three-letter alphabetic codes for International Standard ISO 4217, "Codes for the representation of currencies and funds", would be suitable for use in international trade.
Over time, new currencies are created and old currencies are discontinued. Such changes usually originate from the formation of new countries, treaties between countries on shared currencies or monetary unions, or redenomination from an existing currency due to excessive inflation. As a result, the list of codes must be updated from time to time. The ISO 4217 maintenance agency (MA), SIX Interbank Clearing, is responsible for maintaining the list of codes.
The following is a list of active codes of official ISO 4217 currency names as of 29 August 2018[update]. In the standard the values are called "alphabetic code", "numeric code", "minor unit", and "entity".
USD/USS/USN, three currency codes belonging to the US
The US dollar has two codes assigned: USD and USN (next day). The USS (same day) code is not in use any longer, and was removed from the list of active ISO 4217 codes in March 2014.
According to UN/CEFACT recommendation 9, paragraphs 8–9 ECE/TRADE/203, 1996, available online:
- 8. In applications where monetary resources associated with a currency (i.e. funds) need not be specified and where a field identifier indicating currency is used, the first two (leftmost) characters are sufficient to identify a currency—example: US for United States dollars for general, unspecified purposes where a field identifier indicating currency is present. (A field identifier can be a preprinted field heading in an aligned document or a similarly-agreed application in electronic transmission of data.)
- 9. In applications where there is a need to distinguish between types of currencies, or where funds are required as in the banking environment, or where there is no field identifier, the third (rightmost) character of the alphabetic code is an indicator, preferably mnemonic, derived from the name of the major currency unit or fund—example: USD for general, unspecified purposes; USN for United States dollar next-day funds, and USS for funds which are immediately available for Federal Reserve transfer, withdrawal in cash or transfer in like funds (same-day funds). Since there is no need for such a distinction in international trade applications, the funds codes have not been included in the Annex to the present Recommendation.
As of August 2018, there are no new codes planned to be added to the standard.
Non ISO 4217 currencies
Currencies without ISO 4217 currency codes
A number of active currencies do not have an ISO 4217 code, because they may be: (1) a minor currency pegged at par (1:1) to a larger currency, even if independently regulated, (2) a currency only used for commemorative banknotes or coins, or (3) a currency of an unrecognized or partially recognized state. These currencies include:
- Alderney pound (1:1 pegged to the pound sterling)
- Cook Islands dollar (1:1 pegged to the New Zealand dollar)
- Faroese króna (1:1 pegged to the Danish krone)
- Guernsey pound (1:1 pegged to the pound sterling)
- Isle of Man pound (1:1 pegged to the pound sterling)
- Jersey pound (1:1 pegged to the pound sterling)
- Kiribati dollar (1:1 pegged to the Australian dollar)
- Maltese scudo (1:0.24 pegged to the euro)
- Sahrawi peseta of the Sahrawi Arab Democratic Republic in Western Sahara, sometimes given the code "EHP" but this has not been assigned by the ISO
- Somaliland shilling (state of issue is viewed as de jure part of Somalia, exchange rate not fixed)
- Transnistrian ruble (state of issue is viewed as de jure part of Moldova)
- Tuvaluan dollar (1:1 pegged to the Australian dollar)
- Zimbabwean bonds
- RTGS dollar
See Category:Fixed exchange rate for a list of all currently pegged currencies.
Unofficial currency codes
Despite having no official recognition in ISO 4217, the following non-ISO codes are sometimes used locally or commercially.
|D[a]||Currency||Locations using this currency||Notes|
|CNH||n/a||2||Chinese yuan (offshore)||Hong Kong||The code CNH is used to represent the Chinese yuan (aka Renminbi) in offshore trading, especially offshore trading involving Hong Kong. See Offshore Renminbi (CNH). The USD/CNY rate and the USD/CNH rate are, usually, different.|
|CNT||n/a||2||Chinese yuan (offshore)||Taiwan||The code CNT is used to represent the Chinese yuan (aka Renminbi) in offshore trading, especially offshore trading involving Taiwan. See Other markets.|
|IMP||n/a||2||Isle of Man pound||Isle of Man||Also known as the Manx pound.|
|NIS||ILS||2||Israeli new shekel||Israel||NIS stands for New Israeli Shekel: NIS conflicts with ISO 4217, because NI stands for Nicaragua.|
|NTD||TWD||2||New Taiwan dollar||Taiwan|
|PRB||n/a||2||Transnistrian ruble||Transnistria||PRB conflicts with ISO 4217, because PR stands for Puerto Rico.|
|SLS||n/a||2||Somaliland shilling||Somaliland||SLS conflicts with ISO 4217, because SL stands for Sierra Leone.|
|RMB||CNY||2||Chinese yuan||Mainland China||RMB is an abbreviation of RenMinBi, which is another name for the Chinese yuan.|
|ZWB||n/a||2||Zimbabwean bonds||Zimbabwe||Also known as the RTGS Dollar.|
The following non-ISO codes were used in the past.
|D[a]||Currency||Locations that used this currency||Notes|
|ADF||n/a||2||Andorran franc||Andorra||De facto currency used until January 1999, when it was replaced by the euro (EUR).|
|ARL||n/a||2||Argentine peso ley||Argentina||Used from January 1970 to May 1983, when it was replaced by the Argentine peso argentino (ARP).|
|MAF||n/a||2||Moroccan franc||Morocco||Used in French Morocco from 1921 and all of Morocco from 1957 to 1974 until it was replaced by the Moroccan dirham (MAD)|
|MCF||n/a||2||Monégasque franc||Monaco||Used until January 1999, when it was replaced by the euro (EUR).|
|MKN||n/a||Old Macedonian denar||North Macedonia||Used from January 1990 through 1993, when it was replaced by the second denar (MKD).|
|SML||n/a||0||San Marinese lira||San Marino||Used until January 1999, when it was replaced by the euro (EUR).|
|VAL||n/a||0||Vatican lira||Vatican City||Used until January 1999, when it was replaced by the euro (EUR).|
|YUG||n/a||2||Yugoslav dinar||Yugoslavia||Re-denomination used in January 1994 until it was replaced by the novi dinar (YUM).|
|YUO||n/a||2||Yugoslav dinar||Yugoslavia||Re-denomination used from October–December 1993, when it was again re-denominated (YUG).|
|YUR||n/a||2||Reformed Yugoslav dinar||Yugoslavia[d]||Revaluation used from July 1992 to September 1993 until re-denomination (YUO).|
Currency subdivisions (also known as currency subunits or minor currency units) are often used for pricing and trading stocks and other assets, such as energy, but are not assigned codes by ISO 4217. Two conventions for representing currency subdivisions are in widespread use:
- Replacing the third letter of the ISO 4217 Code of the parent currency with an upper-case "X". Examples are GBX for Penny Sterling, USX for the US Cent, EUX for the Euro Cent.
- Replacing the third letter of the ISO 4217 Code of the parent currency with the first letter of the name of the currency subdivision, using lower-case. Examples are GBp for Penny Sterling, USc for the US Cent, EUc for the Euro Cent.
A third convention is similar to the second one but uses an upper-case letter, eg ZAC for the South African Cent. This convention is not in widespread use as it would result in clashes, eg between GBP for Pound Sterling and GBP for Penny Sterling.
Recently, cryptocurrencies have unofficially used ISO-like codes on various cryptocurrency exchanges, for instance LTC for Litecoin, NMC for Namecoin and XRP for the XRP Ledger. SIX Interbank Clearing (a Maintenance Agency of ISO) is currently studying the impact and role of cryptocurrencies and other independent currencies on ISO 4217.
|BNB||8||Binance||BNB conflicts with ISO 4217, because BN stands for Brunei Darussalam.|
|BSV||8||Bitcoin SV||BSV (Bitcoin Satoshi Vision) conflicts with ISO 4217, because BS stands for Bahamas.|
|BTC, XBT||8||Bitcoin||BTC conflicts with ISO 4217, because BT stands for Bhutan.|
|DASH||8||Dash||DASH is of non-standard length.|
|ETH||18||Ether||ETH conflicts with ISO 4217, because ET stands for Ethiopia.|
|LTC||8||Litecoin||LTC conflicts with ISO 4217, because LT stands for Lithuania|
Historical currency codes
A number of currencies had official ISO 4217 currency codes and currency names until their replacement by another currency. The table below shows the ISO currency codes of former currencies and their common names (which do not always match the ISO 4217 names).
|ALK||008||.||Old Albanian lek||1946||1965|
|AOK||024||0||Angolan kwanza||1977-01-08||1990-09-24||AON (AOA)|
|AON||024||0||Angolan novo kwanza||1990-09-25||1995-06-30||AOR (AOA)|
|AOR||982||0||Angolan kwanza reajustado||1995-07-01||1999-11-30||AOA|
|ARP||032||2||Argentine peso argentino||1983-06-06||1985-06-14||ARA (ARS)|
|BAD||070||2||Bosnia and Herzegovina dinar||1992-07-01||1998-02-04||BAM|
|BEC||993||.||Belgian convertible franc (funds code)||1990-05-01|
|BEL||992||.||Belgian financial franc (funds code)|
|BGJ||100||.||Bulgarian lev (first)||1881||1952||BGK|
|BGK||100||.||Bulgarian lev (second)||1952||1962||BGL|
|BGL||100||2||Bulgarian lev (third)||1962||1999-08-31||BGN|
|BRB||076||2||Brazilian cruzeiro||1970||1986-02-28||BRC (BRL)|
|BRC||076||2||Brazilian cruzado||1986-02-28||1989-01-15||BRN (BRL)|
|BRE||076||2||Brazilian cruzeiro||1990-03-15||1993-08-01||BRR (BRL)|
|BRN||076||2||Brazilian cruzado novo||1989-01-16||1990-03-15||BRE (BRL)|
|BRR||987||2||Brazilian cruzeiro real||1993-08-01||1994-06-30||BRL|
|BYB||112||2||Belarusian ruble||1992||1999-12-31||BYR (BYN)|
|CHC||948||2||WIR franc (for electronic currency)||2004-12||CHW|
|CSK||200||Czechoslovak koruna||1919-04-10||1993-02-08||CZK/SKK (CZK/EUR)|
|DDM||278||East German mark||1948-06-21||1990-07-01||DEM (EUR)|
|ECV||983||2||Ecuador Unidad de Valor Constante (funds code)||1993||2000-02-29||—|
|ESA||996||Spanish peseta (account A)||1978||1981||ESP (EUR)|
|ESB||995||Spanish peseta (account B)||?||1994-12||ESP (EUR)|
|GQE||226||Equatorial Guinean ekwele||1975||1985-12-31||XAF|
|GRD||300||0, 2||Greek drachma||1954-05-01||2001-01-01||EUR|
|ILP||376||3, 2||Israeli lira||1948||1980-02-20||ILR (ILS)|
|LUC||989||.||Luxembourg convertible franc (funds code)|
|LUL||988||.||Luxembourg financial franc (funds code)|
|PEH||604||Peruvian old sol||1863||1985-02-01||PEI (PEN)|
|ROK||642||.||Romanian leu (second)||1947||1952||ROL|
|ROL||642||0||Romanian leu (third)||1952-01-28||2005||RON|
|SDP||736||Sudanese old pound||1956||1992-06-08||SDD (SDG)|
|STD||678||2||São Tomé and Príncipe dobra||1977||2018-04-01||STN|
|SUR||810||Soviet Union ruble||1961||1991-12-26||RUR (RUB/AMD/AZN/BYN/EUR/GEL/KZT/KGS/MDL/TJS/TMT/UAH/UZS)|
|TPE||626||0||Portuguese Timorese escudo||1959||1976||USD|
|USS||998||2||United States dollar (same day) (funds code)||?||2014-03-28||—|
|UYN||858||Uruguay new peso||1975-07-01||1993-03-01||UYU|
|VEB||862||2||Venezuelan bolívar||1879-03-31||2008-01-01||VEF (VES)|
|VEF||937||2||Venezuelan bolívar fuerte||2008-01-01||2018-08-20||VES|
|VNC||704||.||Old Vietnamese dong|
|XEU||954||0||European Currency Unit||1979-03-13||1998-12-31||EUR|
|XFO||...||Gold franc (special settlement currency)||1803||2003||XDR|
|XFU||...||.||UIC franc (special settlement currency)||?||2013-11-07||EUR|
|XRE||...||.||RINET funds code|
|YDD||720||South Yemeni dinar||1965||1996-06-11||YER|
|YUD||890||2||Yugoslav dinar||1966-01-01||1989-12-31||YUN (MKD/RSD/EUR/HRK/BAM)|
|YUM||891||2||Yugoslav dinar||1994-01-24||2003-07-02||CSD (RSD/EUR)|
|YUN||890||2||Yugoslav dinar||1990-01-01||1992-06-30||YUR (MKD/RSD/EUR/HRK/BAM)|
|ZAL||991||2||South African financial rand (funds code)||1985-09-01||1995-03-13||—|
|ZRN||180||2||Zairean new zaire||1993||1997||CDF|
|ZRZ||180||2||Zairean zaire||1967||1993||ZRN (CDF)|
|ZWC||716||2||Rhodesian dollar||1970-02-17||1980||ZWD (USD/RTGS Dollar)|
|ZWD||716||2||Zimbabwean dollar||1980-04-18||2006-07-31||ZWN (USD/RTGS Dollar)|
|ZWN||942||2||Zimbabwean dollar||2006-08-01||2008-07-31||ZWR (USD/RTGS Dollar)|
|ZWR||935||2||Zimbabwean dollar||2008-08-01||2009-02-02||ZWL (USD/RTGS Dollar)|
- List of circulating currencies
- Tables of historical exchange rates
- List of international trade topics
- SWIFT codes
- International currency sign
- The number of digits after the decimal separator.
- Entities listed in the ISO 4217 standard. See the list of circulating currencies for de facto currency use.
- The Malagasy ariary and the Mauritanian ouguiya are technically divided into five subunits (the iraimbilanja and khoum respectively) the coins display "1/5" on their face and are referred to as a "fifth" (Khoum/cinquième); These are not used in practice, but when written out, a single significant digit is used. E.g. 1.2 UM.
- Croatia and North Macedonia issued their own currencies before the 1992 dinar entered circulation. Bosnia and Herzegovina issued their own currency when the 1992 dinar entered circulation.
- The numeric code for the German Mark was originally 280: it was changed to 276 on 16 April 1999.
- "Current currency & funds code list – ISO Currency". SIX.
- "Current funds codes list – ISO Currency". SIX.
- "List of codes for historic denominations of currencies & funds – ISO Currency". SIX.
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- "ISO 4217 AMENDMENT NUMBER 94" (PDF). ISO 4217 Maintenance Agency.
- OP/B.3/CRI, Publications Office -. "Publications Office — Interinstitutional style guide — 7.3.3. Rules for expressing monetary units". publications.europa.eu.
- The original document uses “hard space” NOT “fixed space” that is confusable. See https://en.wikipedia.org/wiki/Non-breaking_space#cite_note-1
- "Renminbi Services". The Hongkong and Shanghai Banking Corporation. Retrieved 2018-02-14.
- "Unidad de valor real (UVR) – Banco de la República de Colombia" [Unit of Real Value (UVR)]. Banco de la República (in Spanish). Retrieved 2013-11-29.
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- "The Order of Malta, A little history". Retrieved 2011-03-30.
- "China's currency: the RMB, CNY, CNH..." Archived from the original on 18 April 2015. Retrieved 30 April 2015.
- "CNH vs CNY: Differences Between the Two Yuan". Nasdaq.
- "Taiwan launches offshore RMB". Retrieved 2020-08-12.
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- Hammett, Mike (2001). Dictionary of International Trade Finance Terms. Canterbury: Financial World Publishing. p. 176. ISBN 978-085297-576-3. Retrieved 2013-11-29.
- "Bank of Israel - Currency". www.boi.org.il.
- Efron, Arnoldo, ed. (2018). "Zimbabwe". MRI Bankers' Guide to Foreign Currency (90 ed.). Houston, Texas: Monetary Research Institute. p. 253. ISBN 978-0962933974.
- "EU Vocabularies, Currency". Publications Office of the European Union. 2020-06-24.
- "The Transaction Reporting User Manual (TRUM), Section 7.3 (Data fields for quantity and price reporting), Field 17 (Currency)". Agency for the Cooperation of Energy Regulators (ACER).
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- Reiff, Nathan. "The 10 Most Important Cryptocurrencies Other Than Bitcoin". Investopedia. Retrieved 2020-05-30.
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- "ISO 4217 Amendment Number 125" (PDF). London: BSI Group. 2004-12-01.
- "ISO 4217 Amendment Number 102" (PDF). London: BSI Group. 1999-04-16. Retrieved 2020-08-07.
- "ISO 4217 Amendment Number 139" (PDF). London: BSI Group. 2007-06-18.
- "Greek drachma". BPstat. Lisbon: Banco de Portugal. 2010-10-15. Archived from the original on 2019-08-10. Retrieved 2019-08-10.
- "ISO 4217 Amendment Number 50" (PDF). 1992-12-10.
- "ISO 4217 Amendment Number 48" (PDF). 1992-10-29.
- Sammut, Joseph (March 2004). "Malta coins along the years". Coins of Malta. Archived from the original on 2019-08-10. Retrieved 2019-08-10.
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- "ISO 4217 Amendment Number 158" (PDF). Zurich: SIX Interbank Clearing. 2014-03-28. Retrieved 2020-08-07.
- "Banco Central del Uruguay – Cambios de Unidad Monetaria – 1° de julio de 1975". Archived from the original on 2018-07-16.
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- The official list of ISO 4217 alphabetic and numeric codes
- ISO 4217 Maintenance Agency
- An older list of ISO 4217 alphabetic codes that contains some history of ISO 4217 (PDF file)
- Another list of numeric and alphabetic ISO 4217 currency codes
- Position of the ISO code or euro sign in amounts
- List of all currencies with names and ISO 4217 codes in all languages and all data formats