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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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ANNA Newsletter: May 2023

ANNA Newsletter_ May 2023Download

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Regulatory Development Perspectives: ANNA Q&A with Prof. Andreas Hoepner, Full Professor of Operational Risk, Banking & Finance at the Smurfit Graduate Business School of University College Dublin and Head of the Data Science Hub of the EU Platform for Sustainable Finance

As the European Commission recently issued amendments to the Sustainable Finance Disclosure Regulation (SFDR) to…

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Industry Perspectives – Q&A with ANNA Service Bureau (ASB) Operators

What is the ANNA Service Bureau? The ANNA Service Bureau (ASB) collects and distributes ISIN…

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The Association of National Numbering Agencies announces completion of the implementation of revised ISO 6166 ISIN standard
International standards evolution providing market benefits

London, 28th February 2023 – The Association of National Numbering Agencies, ANNA, a global association…

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Annual General Meeting date announced

On June 14-16, 2023, ANNA will hold its Annual General Meeting in London, UK.

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ANNA – A Year In Review

As we look back on our 30th Anniversary year, we are reminded of all the…

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Follow ANNA on Twitter

We are pleased to announce @euronext Securities Copenhagen has joined the #ISIN:LEI Mapping Initiative.

This initiative, in collaboration with @GLEIF maps new and legacy #ISINs to their corresponding LEIs, of those NNAs who have joined the initiative.

We are pleased to welcome Euronext Securities Oslo, the Norwegian Central Securities Depository, to the joint #ISIN:LEI mapping initiative in collaboration with @GLEIF.

The full list of NNA's, and more information on this initiative, can be found here:

The total #ISIN count in ASB as of 31 December 2022 is 93,079,462; additionally, the new ISINs assigned reached a total of 11,657,693 in 2022. Find these and other #ISIN statistics for 2022 on the ANNA website

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