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	85 to 103 yrs	Valid
503-02-####	1983	unknown	44 to 56 yrs	Valid
503-03-####	1936	1950	85 to 103 yrs	Valid
503-04-####	1984	unknown	43 to 55 yrs	Valid
503-05-####	1936	1950	85 to 103 yrs	Valid
503-06-####	1985	unknown	42 to 54 yrs	Valid
503-07-####	1936	1950	85 to 103 yrs	Valid
503-08-####	1986	unknown	41 to 53 yrs	Valid
503-09-####	1936	1950	85 to 103 yrs	Valid
503-10-####	1936	1950	85 to 103 yrs	Valid
503-11-####	1987	unknown	40 to 52 yrs	Valid
503-12-####	1936	1950	85 to 103 yrs	Valid
503-13-####	1987	unknown	40 to 52 yrs	Valid
503-14-####	1936	1950	85 to 103 yrs	Valid
503-15-####	1988	unknown	27 to 35 yrs	Valid
503-16-####	1936	1950	85 to 103 yrs	Valid
503-17-####	1989	1992	31 to 34 yrs	Valid
503-18-####	1936	1950	85 to 103 yrs	Valid
503-19-####	1989	1992	31 to 34 yrs	Valid
503-20-####	1936	1950	85 to 103 yrs	Valid
503-21-####	1989	1992	31 to 34 yrs	Valid
503-22-####	1936	1950	85 to 103 yrs	Valid
503-23-####	1993	unknown	22 to 30 yrs	Valid
503-24-####	1936	1950	85 to 103 yrs	Valid
503-25-####	1994	unknown	21 to 29 yrs	Valid
503-26-####	1936	1950	85 to 103 yrs	Valid
503-27-####	1996	unknown	19 to 27 yrs	Valid
503-28-####	1936	1950	85 to 103 yrs	Valid
503-29-####	1997	1998	25 to 26 yrs	Valid
503-30-####	1936	1950	85 to 103 yrs	Valid
503-31-####	1999	2000	23 to 24 yrs	Valid
503-32-####	1936	1950	85 to 103 yrs	Valid
503-33-####	2001	2003	20 to 22 yrs	Valid
503-34-####	1951	1952	83 to 88 yrs	Valid
503-35-####	2003	2004	19 to 20 yrs	Valid
503-36-####	1953	unknown	74 to 86 yrs	Valid
503-37-####	2004	2006	17 to 19 yrs	Valid
503-38-####	1954	unknown	73 to 85 yrs	Valid
503-39-####	2006	2007	16 to 17 yrs	Valid
503-40-####	1955	unknown	72 to 84 yrs	Valid
503-41-####	2007	2008	15 to 16 yrs	Valid
503-42-####	1955	unknown	72 to 84 yrs	Valid
503-43-####	2008	2010	13 to 15 yrs	Valid
503-44-####	1956	unknown	71 to 83 yrs	Valid
503-45-####	2010	2011	12 to 13 yrs	Valid
503-46-####	1956	1957	78 to 83 yrs	Valid
503-48-####	1958	1959	76 to 81 yrs	Valid
503-50-####	1960	unknown	67 to 79 yrs	Valid
503-52-####	1961	unknown	66 to 78 yrs	Valid
503-54-####	1962	unknown	65 to 77 yrs	Valid

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