ISO Country Codes Directory: Complete database of ISO 3166-1 Alpha-2, Alpha-3 and Numeric country codes for 195+ nations worldwide. Search by country name or browse alphabetically A-Z from Afghanistan (AF/AFG/004) to Zimbabwe (ZW/ZWE/716). Essential for international business, banking, shipping, web development and data processing. Standardized by International Organization for Standardization (ISO). Browse codes by continents: Africa | Asia | Europe | Americas | Oceania.
| Country | ISO-3 (Two Letter) | ISO-316 (Three Letter) | ISO-316 (Numeric) |
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ISO country codes are standardized short codes established by the International Organization for Standardization (ISO) under the ISO 3166-1 standard. These codes provide a uniform way to represent countries in international databases, banking systems, shipping, web development and business transactions worldwide.
ISO Country Codes are used in international banking (SWIFT codes), shipping, e-commerce, web development, passport systems and government databases. They ensure consistent country identification across all platforms worldwide.
Currently, 249 countries and territories have official ISO 3166-1 codes. This includes 195 sovereign nations plus additional territories, dependencies and special administrative regions.
Alpha-2 (2-letter): Most common format (US, UK, DE) used in domains and passports.
Alpha-3 (3-letter): Used in banking and aviation (USA, GBR, DEU).
Numeric (3-digit): Language-independent codes (840, 826, 276) perfect for databases.
Yes, ISO Country Codes are mandatory for international banking transactions, SWIFT transfers and compliance reporting. Banks use these codes to ensure accurate routing of international payments and regulatory compliance.
Absolutely! ISO Country Codes are free to use and widely supported by programming languages, databases and APIs. They're essential for building international applications, e-commerce sites and data systems.
Disclaimer We can not guarantee that the information on this page is 100% correct.