Skip to content

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.

Read more

Financial Instrument Short Name (FISN) - ISO 18774

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

Read more

Classification of Financial Instruments (CFI) - ISO 10962

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

Read more

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.

Read more

News

Happy International Women’s Day!

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

view more
GDF 2024 Annual Report - ANNADTIF

ANNA and DTIF Insights in the GDF 2024 Annual Report

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

view more
ANNA newsletter

ANNA Newsletter January, 2025

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

view more

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

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

view more

Follow ANNA on Twitter

Looking for the #ISIN for Cybertronchain, Mythos, Gascoin and Gitcoin?

🌐🔒We now have 1.606 ISIN:DTI mappings available.
Check out the most recent ISINs for crypto assets here:
https://anna-web.org/digital-assets

Don’t miss our MD @StephanDreyer5 @consensus2025 Toronto this week on 14-16 May. 🇨🇦
Find out how ANNA and DTIF are working together to develop a dual identifier system, bridging TradFi and digital assets. Get in touch to learn more!

Code ANNADTIF: 20% off https://go.coindesk.com/ANNADTIF

📢 Don’t miss our MD @StephanDreyer5 and DTIF’s Product Owner Denis Dounaev at the @O2Ktech Crypto Tax Forum on 14 May, in the metaverse.

They will be speaking about the implementation of standards for digital assets.

Find out more and register here 👉http://www.cryptotaxforum.org

2

Load More

Contact Us

If you would like to speak to ANNA, please get in touch via our contact page.

Back To Top