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The Association of National Numbering Agencies

The Association of National Numbering Agencies (ANNA) is a global member association of National Numbering Agencies (NNAs), seeking to foster standardisation within the financial industry by upholding the International Organization for Standardization (ISO) principles, and by promoting International Securities Identification Numbers (ISIN), Financial Instrument Short Name (FISN), and Classification of Financial Instruments (CFI) codes for financial instruments.

International Securities Identification Number (ISIN) - ISO 6166

The ISIN is the core identifier of securities transactions and settlement.

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Financial Instrument Short Name (FISN) - ISO 18774

The FISN standard incorporates the issuer short name and the abbreviated characteristics for the financial instrument.

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Classification of Financial Instruments (CFI) - ISO 10962

For each ISIN, the CFI is a detailed description of the type of instrument.

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Legal Entity Identifier (LEI) - ISO 17442

ANNA and GLEIF launched an initiative to link ISINs and LEIs to improve transparency of exposure by linking the issuer and issuance of securities.

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News

ANNA newsletter

ANNA Newsletter July, 2025

Dear Reader,In this newsletter we take a moment to reflect on key achievements for ANNA…

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🏆Delighted to be recognised as Best Reference Data Provider at the @WatersTech Rankings Awards 2025!

This award highlights the ASB’s work delivering the world’s only directly sourced ISIN data to support market participants globally.

🔗 Read more: https://anna-web.org/the-association-of-national-numbering-agencies-anna-wins-best-reference-data-provider-at-the-waterstechnology-rankings-awards-2025/

Looking for the #ISIN for Uniswap, Inter-American, USDCV, and bonds from Nomura Research Institute (NRI), City of Lugano and Six Group?

🌐🔒We now have 2.173 ISIN:DTI mappings available.
Check out the most recent ISINs for crypto assets here:
https://anna-web.org/digital-assets

🗣️Our MD @StephanDreyer5 will be speaking at the 19th International Financial Standards Conference #IFSC25 on 12 November in Frankfurt.

He will be on a panel on ‘Adapting Standards for the Digital Assets Ecosystem’.

Find out more and register here: https://www.wmdatenservice.com/en/ifsc-2025/

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