SSN Validator (Social Security Number)

Validate a US SSN. If you need to generate a new SSN, try our SSN Generator.

international.disclaimer

This tool generates fictitious data intended exclusively for software testing and development purposes. The data does not correspond to real people or entities and must not be used for illegal, fraudulent purposes, or in ways that violate the privacy of others. Compliant with LGPD (Brazilian Data Protection Law).

SSN Validation (United States)

What does the validator check?

Checks if the SSN follows SSA formation rules: Area Number can't be 000, 666, or 900-999; Group Number can't be 00; Serial Number can't be 0000.

When is it considered invalid?

When it doesn't have 9 digits or violates any area, group, or serial number restrictions defined by the Social Security Administration.

Use in development

American HR, fintech, and identity verification systems need to validate SSN. The validator helps test implementations.