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?
503-01-####	1936	1950	88 to 106 yrs	Valid
503-02-####	1983	unknown	47 to 59 yrs	Valid
503-03-####	1936	1950	88 to 106 yrs	Valid
503-04-####	1984	unknown	46 to 58 yrs	Valid
503-05-####	1936	1950	88 to 106 yrs	Valid
503-06-####	1985	unknown	45 to 57 yrs	Valid
503-07-####	1936	1950	88 to 106 yrs	Valid
503-08-####	1986	unknown	44 to 56 yrs	Valid
503-09-####	1936	1950	88 to 106 yrs	Valid
503-10-####	1936	1950	88 to 106 yrs	Valid
503-11-####	1987	unknown	43 to 55 yrs	Valid
503-12-####	1936	1950	88 to 106 yrs	Valid
503-13-####	1987	unknown	43 to 55 yrs	Valid
503-14-####	1936	1950	88 to 106 yrs	Valid
503-15-####	1988	unknown	30 to 38 yrs	Valid
503-16-####	1936	1950	88 to 106 yrs	Valid
503-17-####	1989	1992	34 to 37 yrs	Valid
503-18-####	1936	1950	88 to 106 yrs	Valid
503-19-####	1989	1992	34 to 37 yrs	Valid
503-20-####	1936	1950	88 to 106 yrs	Valid
503-21-####	1989	1992	34 to 37 yrs	Valid
503-22-####	1936	1950	88 to 106 yrs	Valid
503-23-####	1993	unknown	25 to 33 yrs	Valid
503-24-####	1936	1950	88 to 106 yrs	Valid
503-25-####	1994	unknown	24 to 32 yrs	Valid
503-26-####	1936	1950	88 to 106 yrs	Valid
503-27-####	1996	unknown	22 to 30 yrs	Valid
503-28-####	1936	1950	88 to 106 yrs	Valid
503-29-####	1997	1998	28 to 29 yrs	Valid
503-30-####	1936	1950	88 to 106 yrs	Valid
503-31-####	1999	2000	26 to 27 yrs	Valid
503-32-####	1936	1950	88 to 106 yrs	Valid
503-33-####	2001	2003	23 to 25 yrs	Valid
503-34-####	1951	1952	86 to 91 yrs	Valid
503-35-####	2003	2004	22 to 23 yrs	Valid
503-36-####	1953	unknown	77 to 89 yrs	Valid
503-37-####	2004	2006	20 to 22 yrs	Valid
503-38-####	1954	unknown	76 to 88 yrs	Valid
503-39-####	2006	2007	19 to 20 yrs	Valid
503-40-####	1955	unknown	75 to 87 yrs	Valid
503-41-####	2007	2008	18 to 19 yrs	Valid
503-42-####	1955	unknown	75 to 87 yrs	Valid
503-43-####	2008	2010	16 to 18 yrs	Valid
503-44-####	1956	unknown	74 to 86 yrs	Valid
503-45-####	2010	2011	15 to 16 yrs	Valid
503-46-####	1956	1957	81 to 86 yrs	Valid
503-48-####	1958	1959	79 to 84 yrs	Valid
503-50-####	1960	unknown	70 to 82 yrs	Valid
503-52-####	1961	unknown	69 to 81 yrs	Valid
503-54-####	1962	unknown	68 to 80 yrs	Valid

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