AtlasStandardsIdentifiers & Data

Identifiers & Data

Standards defining the codes and identifiers used to represent issuers, accounts, institutions, merchants, countries, currencies and legal entities.

ISO 3166-1Country names and codesThe ISO standard defining alpha-2, alpha-3 and numeric-3 codes for countries, dependencies and other areas of particular geopolitical interest.09 Aug 2026
ISO 4217Currencies and fundsThe ISO standard defining alphabetic and numeric codes for representing currencies and funds, maintained through published amendments.07 Aug 2026
ISO 7812-1Issuer identificationThe numbering standard that defines the structure used to identify card issuers and the format of issuer identification numbers.31 Jul 2026
Identifiers & Data:3Sources:3Last Update:09 Aug 2026