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

Happy International Women’s Day!

07/03/2025

This year’s theme, ‘Accelerate Action’, is a bold call to drive active momentum toward gender…

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GDF 2024 Annual Report - ANNADTIF

ANNA and DTIF Insights in the GDF 2024 Annual Report

10/02/2025

See insights from ANNA and DTIF in the GDF 2024 Annual Report here

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ANNA newsletter

ANNA Newsletter January, 2025

30/01/2025

Dear Reader, In this editorial, I am proud to reflect on the achievements of the…

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ANNA Extraordinary General Meeting 2024, Warsaw

15/01/2025

We are pleased to share images from our Extraordinary General Meeting (EGM) hosted by KDPW…

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ANNA_ERC3643 MA edited

ANNA is delighted to announce that it has joined the ERC3643 Association

19/12/2024

Recognized by the Monetary Authority of Singapore (MAS) under Project Guardian, ERC-3643 is the non-profit…

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ANNA membership reaches 113 as a large number of jurisdictions transition to become full members

05/12/2024

Confirmed at ANNA’s General Meeting in Warsaw, 3-4 December 2024 London, 5 December 2024 –…

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Association of National Numbering Agencies (ANNA) Follow

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

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anna_isin Association of National Numbering Agencies (ANNA) @anna_isin ·
30 May

Our MD @StephanDreyer5 and Vice Chair Laura Stanley share insights with @ATeamInsight on managing data in financial services.

The article is a preview to the webinar on 3 June about “Streamlining trading & investment with data standards.”

Read more: https://a-teaminsight.com/blog/standards-and-identifiers-help-to-prevent-data-chaos-webinar-preview/?brand=ati

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anna_isin Association of National Numbering Agencies (ANNA) @anna_isin ·
28 May

ANNA and DTIF are proud to support @GBBC_USA's inaugural #BlockchainCentral DC on 11-13 June, a curated, by invitation gathering of senior leaders from private and public sectors that will focus on the convergence of tech, policy, and business.

🔗More: https://gbbcblockchaincentral.io/

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anna_isin Association of National Numbering Agencies (ANNA) @anna_isin ·
27 May

Have you already voted for us in the @WatersTech Waters Rankings 2025 for Best Reference Data Provider?

You can vote here: https://survey.alchemer.eu/s3/90842691/Waters-Rankings-2025

Thank you for your support!

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