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.

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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

02/07/2025

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

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ANNA Annual General Meeting 2025, Split, Croatia

30/06/2025

We are pleased to share images from our Annual General Meeting (AGM) hosted by Središnje…

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Anchoring Stability and Transparency in Global Financial Markets

26/06/2025

First published on TabbFORUM, 25 June 2025. A universal language Consensus-based financial standards developed by…

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Laura Stanley at AMtM Split Croatia 2025

Unlocking Global Opportunity: Why Harmonised Standards are Our Superpower in Capital Markets

25/06/2025

Drawn from her keynote speech given at our General Meeting in Split, Croatia, this blog,…

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Full membership of the Association of National Numbering Agencies (ANNA) reaches 115 as Torsten Ulrich and Laura Stanley are re-elected as Chair and Vice-Chair of the Board of Directors

23/06/2025

Ratified at ANNA’s General Meeting in Split, 19-20 June 2025 London, 23 June 2025 –…

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The Association of National Numbering Agency (ANNA) wins ‘Best Reference Data Provider’ at the Waters Technology Inside Market Data and Inside Reference Data awards 2025

06/06/2025

London, 6 June 2025: We are delighted to announce that the Association of National Numbering…

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The Association of National Numbering Agencies (ANNA) is a global organisation whose members & partners are responsible for assigning ISIN, FISN & CFI codes.

ANNA_ISIN
anna_isin Association of National Numbering Agencies (ANNA) @anna_isin ·
12h

📩 Our newsletter is now available on our website. In this edition, we reflect on key achievements for ANNA in H1, whilst also looking ahead to upcoming activities, events and priorities for the remainder of 2025.

Read the full newsletter here: https://anna-web.org/anna-newsletter-july-2025/

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anna_isin Association of National Numbering Agencies (ANNA) @anna_isin ·
14h

We’ll be presenting the 19th International Financial Standards Conference #IFSC2025 with WM Datenservice on 12 Nov in Frankfurt.
Our Chair Torsten Ulrich will be chairing the event, and MD @StephanDreyer5 will join a panel on digital assets.

Full agenda: https://www.wmdatenservice.com/en/ifsc-2025/

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anna_isin Association of National Numbering Agencies (ANNA) @anna_isin ·
1 Jul

There is still time to vote for the ANNA and DTI Foundation partnership in the @DataMgmtInsight Awards USA 2025 for Best Data Solution for Digital Assets.

You can vote here: https://www.surveymonkey.com/r/7KRJLVN

Thank you for your support!

#DMIAwards

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