French INSEE / NIR Number Validator
Validate the authenticity, format, and checksum of French INSEE / NIR Number.
About French INSEE / NIR Number Validation
The INSEE Number (officially Numéro d'Inscription au Répertoire - NIR) is the individual citizen and social security identifier in France, equivalent to the US SSN or Brazilian CPF.
Composed of 15 digits: 1 digit for sex (1=Male, 2=Female), 2 for birth year, 2 for month, 2 for department, 3 for municipality code, 3 for birth order, and a 2-digit control key computed via Modulo 97.