Currency Code Services – ISO 4217 Maintenance Agency

Intended for use in any application of trade, commerce and banking, as well as in the public sector, the currency codes of the International Standard ISO 4217 are equally suitable for manual use or in information technology applications. As the only recognized, authoritative source on currency code designations, this website supplies interested parties with the most up-to-date currency codes.

SIX Interbank Clearing Ltd acting as the Secretariat of the ISO 4217 Maintenance Agency on behalf of the International Organization for Standardization (ISO) and its Swiss member SNV (Swiss Association for Standardization) provides the currency code services. 


The currency codes are maintained in accordance with the procedures established by the ISO 4217 standard. In addition to processing applications for codes, the Secretariat maintains updated lists and makes them available online.

The update service is free of charge. An e-mail notification is sent to subscribers of the amendment newsletter as soon as currency code changes occur.