SSIN Validator

Validate a Belgian Social Security Identification Number (SSIN). Enter the number with or without formatting (YY.MM.DD-OOO.CC).

SSIN Format:

  • YY: Year of birth (00-99)
  • MM: Month of birth (01-12)
  • DD: Day of birth (01-31)
  • OOO: Order number (odd for males, even for females)
  • CC: Check digits

Disclaimer: All tools, documentation, and resources provided on this website—including the SSIN generator, validator, library, and related information—are intended for educational and testing purposes only. Generated SSIN numbers are not official and should not be used for any official purpose. Any misuse of these tools or information for fraudulent or illegal purposes is strictly prohibited and may lead to legal consequences. The authors assume no liability for any unauthorized or unlawful use.