South Dakota Social Security Numbers

Social Security Numbers issued to South Dakota fall between 503-##-#### and 504-##-####.

Use the SSN Search Tool to check individual Social Security Numbers.

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About this Data

SSNs issued before June 25, 2011 are linked to where the number was issued which is often the same as where the cardholder was born. After 2011, SSN issuance was randomized. Not every SSN in the range above is necessarily valid. Learn More >

South Dakota SSNs by Year

Within the 503-##-#### to 504-##-#### group, the 4th and 5th digits indicate when a number was issued.

Social Security Number	First Year Issued	Last Year Issued	Estimated Age of Cardholder	Valid SSN?
503-56-####	1963	unknown	67 to 79 yrs	Valid
503-58-####	1963	unknown	67 to 79 yrs	Valid
503-60-####	1964	1965	73 to 78 yrs	Valid
503-62-####	1966	unknown	64 to 76 yrs	Valid
503-64-####	1966	unknown	64 to 76 yrs	Valid
503-66-####	1967	unknown	63 to 75 yrs	Valid
503-68-####	1968	unknown	62 to 74 yrs	Valid
503-70-####	1969	unknown	61 to 73 yrs	Valid
503-72-####	1970	unknown	60 to 72 yrs	Valid
503-74-####	1971	unknown	59 to 71 yrs	Valid
503-76-####	1971	unknown	59 to 71 yrs	Valid
503-78-####	1972	unknown	58 to 70 yrs	Valid
503-80-####	1973	unknown	57 to 69 yrs	Valid
503-82-####	1973	unknown	57 to 69 yrs	Valid
503-84-####	1973	unknown	57 to 69 yrs	Valid
503-86-####	1973	unknown	57 to 69 yrs	Valid
503-88-####	1974	unknown	56 to 68 yrs	Valid
503-90-####	1975	1976	62 to 67 yrs	Valid
503-92-####	1977	unknown	53 to 65 yrs	Valid
503-94-####	1977	1979	59 to 65 yrs	Valid
503-96-####	1980	unknown	50 to 62 yrs	Valid
503-98-####	1981	1982	56 to 61 yrs	Valid
504-01-####	1936	1950	88 to 106 yrs	Valid
504-02-####	1983	unknown	47 to 59 yrs	Valid
504-03-####	1936	1950	88 to 106 yrs	Valid
504-04-####	1984	unknown	46 to 58 yrs	Valid
504-05-####	1936	1950	88 to 106 yrs	Valid
504-06-####	1985	unknown	45 to 57 yrs	Valid
504-07-####	1936	1950	88 to 106 yrs	Valid
504-08-####	1986	unknown	44 to 56 yrs	Valid
504-09-####	1936	1950	88 to 106 yrs	Valid
504-10-####	1936	1950	88 to 106 yrs	Valid
504-11-####	1987	unknown	43 to 55 yrs	Valid
504-12-####	1936	1950	88 to 106 yrs	Valid
504-13-####	1988	unknown	30 to 38 yrs	Valid
504-14-####	1936	1950	88 to 106 yrs	Valid
504-15-####	1988	unknown	30 to 38 yrs	Valid
504-16-####	1936	1950	88 to 106 yrs	Valid
504-17-####	1989	1992	34 to 37 yrs	Valid
504-18-####	1936	1950	88 to 106 yrs	Valid
504-19-####	1989	1992	34 to 37 yrs	Valid
504-20-####	1936	1950	88 to 106 yrs	Valid
504-21-####	1989	1992	34 to 37 yrs	Valid
504-22-####	1936	1950	88 to 106 yrs	Valid
504-23-####	1993	unknown	25 to 33 yrs	Valid
504-24-####	1936	1950	88 to 106 yrs	Valid
504-25-####	1995	unknown	23 to 31 yrs	Valid
504-26-####	1936	1950	88 to 106 yrs	Valid
504-27-####	1997	1998	28 to 29 yrs	Valid
504-28-####	1936	1950	88 to 106 yrs	Valid

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