The Social Security Number (SSN) Is A Unique Identification Number Assigned To Each Person. A SSN Is Issued By The Social Security Administration (SSA) Of The US Government And Is Used To Identify Individuals For A Variety Of Purposes Including Tax Reporting And Benefits.

An SSN May Be Needed For A Variety Of Reasons, Such As Applying For A Job, Getting A Loan, Or Opening A Bank Account. In The United States, The SSN Is A 9-Digit Number That Consists Of Three Parts: The First Digit, The Last Four Digits, And The Hyphen.