France NIR Validator
Validate French Personal ID
Enter a French Personal Identification Number to verify its validity.
About this Validator
This tool validates French National Registration Numbers according to INSEE specifications.
The validator checks if a given NIR follows the correct structure and verifies its check digits.
This validation only confirms if a NIR follows the correct format. It does not verify if the number is actually registered with French authorities.
What is a French NIR (Numéro d'Inscription au Répertoire)?
NIR Structure (15 digits): • Digit 1: Gender (1=male, 2=female) • Digits 2-3: Year of birth • Digits 4-5: Month of birth • Digits 6-10: Place of birth (COG) - Department (2 digits) - Municipality (3 digits) • Digits 11-13: Order number • Digits 14-15: Check digits
Validation Features: • Gender code verification • Date format validation • Location code check • Serial number validation • Check digit calculation
Used for: • Social security • Healthcare services • Employment • Tax purposes • Administrative procedures • Legal identification
Technical Notes: • Modulo 97 check digits • Department codes 2A/2B for Corsica • Special codes for overseas • Code 99 for foreign births • Extension codes for high birth rates
If you need to generate a NIR for testing purposes, here is a French NIR Generator