Wyoming Your Statement About Your Social Security Numbers are documents issued by the Social Security Administration (SSA) that provide individuals with a unique nine-digit identification number. This number is used to track an individual’s earnings, report taxes to the IRS, and apply for certain government benefits. There are two types of Wyoming Your Statement About Your Social Security Numbers: Social Security Cards and Social Security Numbers. Social Security Cards are used to verify identity when applying for jobs, opening bank accounts, and receiving certain government benefits. Social Security Numbers are used to track an individual’s earnings and when filing taxes.