ISO Country Code Validator
Validate ISO 3166-1 country codes.
Validate ISO 3166-1 country codes instantly. Free alpha-2, alpha-3 and numeric country code checker.
Calculator Inputs
About Country Code
Validate ISO 3166-1 country codes.
Checks alpha-2 (US), alpha-3 (USA), and numeric (840) codes.
Where it is used
Geolocation apps, forms, internal tools.
How to use the Country Code
- Country Code — enter the value (e.g. US, USA or 840).
- Calculate — press the Calculate button to see the result instantly above.
Formula
Match against ISO 3166-1 alpha-2/alpha-3/numeric.
Examples
Example
code:IN
Result: IN — VALID ✓ India
Frequently Asked Questions
- Full coverage?
- Common 20-country subset for speed; full list is 249.