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


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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 84 to 102 yrs Valid
503-02-#### 1983 unknown 43 to 55 yrs Valid
503-03-#### 1936 1950 84 to 102 yrs Valid
503-04-#### 1984 unknown 42 to 54 yrs Valid
503-05-#### 1936 1950 84 to 102 yrs Valid
503-06-#### 1985 unknown 41 to 53 yrs Valid
503-07-#### 1936 1950 84 to 102 yrs Valid
503-08-#### 1986 unknown 40 to 52 yrs Valid
503-09-#### 1936 1950 84 to 102 yrs Valid
503-10-#### 1936 1950 84 to 102 yrs Valid
503-11-#### 1987 unknown 39 to 51 yrs Valid
503-12-#### 1936 1950 84 to 102 yrs Valid
503-13-#### 1987 unknown 39 to 51 yrs Valid
503-14-#### 1936 1950 84 to 102 yrs Valid
503-15-#### 1988 unknown 26 to 34 yrs Valid
503-16-#### 1936 1950 84 to 102 yrs Valid
503-17-#### 1989 1992 30 to 33 yrs Valid
503-18-#### 1936 1950 84 to 102 yrs Valid
503-19-#### 1989 1992 30 to 33 yrs Valid
503-20-#### 1936 1950 84 to 102 yrs Valid
503-21-#### 1989 1992 30 to 33 yrs Valid
503-22-#### 1936 1950 84 to 102 yrs Valid
503-23-#### 1993 unknown 21 to 29 yrs Valid
503-24-#### 1936 1950 84 to 102 yrs Valid
503-25-#### 1994 unknown 20 to 28 yrs Valid
503-26-#### 1936 1950 84 to 102 yrs Valid
503-27-#### 1996 unknown 18 to 26 yrs Valid
503-28-#### 1936 1950 84 to 102 yrs Valid
503-29-#### 1997 1998 24 to 25 yrs Valid
503-30-#### 1936 1950 84 to 102 yrs Valid
503-31-#### 1999 2000 22 to 23 yrs Valid
503-32-#### 1936 1950 84 to 102 yrs Valid
503-33-#### 2001 2003 19 to 21 yrs Valid
503-34-#### 1951 1952 82 to 87 yrs Valid
503-35-#### 2003 2004 18 to 19 yrs Valid
503-36-#### 1953 unknown 73 to 85 yrs Valid
503-37-#### 2004 2006 16 to 18 yrs Valid
503-38-#### 1954 unknown 72 to 84 yrs Valid
503-39-#### 2006 2007 15 to 16 yrs Valid
503-40-#### 1955 unknown 71 to 83 yrs Valid
503-41-#### 2007 2008 14 to 15 yrs Valid
503-42-#### 1955 unknown 71 to 83 yrs Valid
503-43-#### 2008 2010 12 to 14 yrs Valid
503-44-#### 1956 unknown 70 to 82 yrs Valid
503-45-#### 2010 2011 11 to 12 yrs Valid
503-46-#### 1956 1957 77 to 82 yrs Valid
503-48-#### 1958 1959 75 to 80 yrs Valid
503-50-#### 1960 unknown 66 to 78 yrs Valid
503-52-#### 1961 unknown 65 to 77 yrs Valid
503-54-#### 1962 unknown 64 to 76 yrs Valid

** This Document Provided By SSN-Verify.com **
Source: http://www.ssn-verify.com/lookup/south-dakota