



A Social Security Number is a U.S. government ID number issued to U.S. citizens and some eligible non-citizens. It is used for Social Security benefits and is also widely used for tax reporting, employment, credit, and identity verification.
Standard format: XXX-XX-XXXX
Example (dummy): 123-45-6789
An Individual Taxpayer Identification Number is issued by the U.S. IRS to people who need a U.S. taxpayer ID but are not eligible for an SSN.
It’s mainly for federal tax reporting and is not proof of work authorization or immigration status.
Standard format: 9XX-XX-XXXX (always begins with 9)
Example (dummy): 912-34-5678
An Employer Identification Number is a U.S. IRS tax ID for a business entity. It is used for business tax filing, payroll taxes, opening business bank accounts, and issuing tax forms.
Standard format: XX-XXXXXXX
Example (dummy): 12-3456789