Useful ISO Standards Reference

September 3, 2025 ยท View on GitHub

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Useful ISO Standards Reference

A quick reference guide for commonly used ISO standards, particularly useful for standardizing financial datasets and geographic data. Compiled for personal use, based on the standards I look up most often (financial sustainability data analysis in which country naming convention can be non-standardised and diffuse between sources!)

Links validated: Sep 03 2025

Standards (Sorted Alphabetically By Name)

ISO 3166 - Country Codes

Official Standard

Geographic territory identification codes.

ISO 3166-1 - Country codes in Alpha-2 and Alpha-3 formats

  • Alpha-2 examples: US, GB, DE, JP, IL, CA, AU
  • Alpha-3 examples: USA, GBR, DEU, JPN, ISR, CAN, AUS
  • Also includes Alpha-2 codes for multilateral bodies: EU (European Union), UN (United Nations)

ISO 3166-2 - Regional subdivisions

  • ISO 3166-2:US - US states and territories (e.g., US-CA for California, US-NY for New York) Browse US Codes
  • Regional territories for other countries (e.g., Israeli districts/mehozot: IL-D for Southern District)
  • Note: Application for territories of disputed sovereignty can be inconsistent

ISO 4217 - Currency Codes

Official Standard

World currencies with standardized codes.

  • Alpha-3 examples: USD (US Dollar), EUR (Euro), GBP (British Pound), JPY (Japanese Yen), ILS (Israeli Shekel), CAD (Canadian Dollar), AUD (Australian Dollar)
  • Numeric examples: 840 (USD), 978 (EUR), 826 (GBP), 392 (JPY), 376 (ILS), 124 (CAD), 036 (AUD)

ISO 8601 - Date and Time

Official Standard

Time zone nomenclature and date/time formatting standards.

  • Note: Provides formatting standards but not actual time zone data

ISO 7000 - Graphical Symbols

Official Standard

Basic iconography and graphical symbols for technical documentation.

ISO 639 - Language Codes

Official Standard

World languages represented in two or three letter notation.

  • Useful for multilingual datasets and internationalization

ISO 15924 - Script Codes

Official Standard

World writing systems identification codes.

  • Useful for multilingual content and script-specific formatting

ISO 80000 - Quantities and Units

Official Standard

International standard for quantities and units in science and technology.

  • Important for sustainability reporting and scientific data standardization

IEC 60083 - World Plug Types

Official Standard

Standard for electrical plug and socket types used worldwide.

Israel ISO Standards

See: israel-ref.md

Additional Reference Files