SSN Validator

Validate the structural format of U.S. Social Security Numbers (SSN).

This tool checks the SSN for correct format and structure. It does not check if the number is issued or active.

About This SSN Validator

This SSN validator helps you check if a U.S. Social Security Number is structurally valid. It verifies the number's length, format, and groupings according to official rules.

How It Works

  • Enter an SSN in the input field.
  • The tool checks the length, format, and groupings (area, group, serial).
  • No data is stored or transmitted—validation is 100% local.

Why Use This Validator?

  • Quickly check if an SSN is likely to be correct before submitting forms or applications.
  • Supports all standard SSN formats.
  • Useful for HR, payroll, and developers handling U.S. identity data.
  • Helps reduce errors and compliance issues.

Frequently Asked Questions

Does this tool check if the SSN is issued or active?

No, it only checks the number's structure and format. It cannot verify if the SSN is issued or currently active.

Is my SSN sent or stored anywhere?

No, all validation is performed locally in your browser. Your SSN is never sent or saved.

What formats are supported?

The validator supports all standard SSN formats (9 digits, correct area/group/serial rules).

Can I use this for HR or payroll?

Yes, this tool is helpful for HR and payroll professionals to reduce errors in U.S. identity data entry and compliance.