Wisconsin Social Security Numbers

Social Security Numbers issued to Wisconsin fall between 387-##-#### and 399-##-####.

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 >

Wisconsin SSNs by Year

Within the 387-##-#### to 399-##-#### 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?
398-25-####	2005	2006	19 to 20 yrs	Valid
398-26-####	1936	1950	87 to 105 yrs	Valid
398-27-####	2006	2008	17 to 19 yrs	Valid
398-28-####	1936	1950	87 to 105 yrs	Valid
398-29-####	2008	2009	16 to 17 yrs	Valid
398-30-####	1951	unknown	78 to 90 yrs	Valid
398-31-####	2009	2011	14 to 16 yrs	Valid
398-32-####	1952	1953	84 to 89 yrs	Valid
398-34-####	1954	1955	82 to 87 yrs	Valid
398-36-####	1956	unknown	73 to 85 yrs	Valid
398-38-####	1957	1958	79 to 84 yrs	Valid
398-40-####	1959	1960	77 to 82 yrs	Valid
398-42-####	1961	unknown	68 to 80 yrs	Valid
398-44-####	1961	1962	75 to 80 yrs	Valid
398-46-####	1963	unknown	66 to 78 yrs	Valid
398-48-####	1963	1964	73 to 78 yrs	Valid
398-50-####	1965	unknown	64 to 76 yrs	Valid
398-52-####	1966	unknown	63 to 75 yrs	Valid
398-54-####	1967	unknown	62 to 74 yrs	Valid
398-56-####	1968	unknown	61 to 73 yrs	Valid
398-58-####	1968	unknown	61 to 73 yrs	Valid
398-60-####	1969	1970	67 to 72 yrs	Valid
398-62-####	1971	unknown	58 to 70 yrs	Valid
398-64-####	1972	unknown	57 to 69 yrs	Valid
398-66-####	1973	unknown	56 to 68 yrs	Valid
398-68-####	1973	unknown	56 to 68 yrs	Valid
398-70-####	1973	unknown	56 to 68 yrs	Valid
398-72-####	1974	unknown	55 to 67 yrs	Valid
398-74-####	1975	unknown	54 to 66 yrs	Valid
398-76-####	1976	unknown	53 to 65 yrs	Valid
398-78-####	1976	unknown	53 to 65 yrs	Valid
398-80-####	1977	1978	59 to 64 yrs	Valid
398-82-####	1979	unknown	50 to 62 yrs	Valid
398-84-####	1980	unknown	49 to 61 yrs	Valid
398-86-####	1981	unknown	48 to 60 yrs	Valid
398-88-####	1982	unknown	47 to 59 yrs	Valid
398-90-####	1983	unknown	46 to 58 yrs	Valid
398-92-####	1984	1985	52 to 57 yrs	Valid
398-94-####	1986	unknown	43 to 55 yrs	Valid
398-96-####	1987	unknown	42 to 54 yrs	Valid
398-98-####	1988	unknown	29 to 37 yrs	Valid
399-01-####	1936	1950	87 to 105 yrs	Valid
399-02-####	1988	unknown	29 to 37 yrs	Valid
399-03-####	1936	1950	87 to 105 yrs	Valid
399-04-####	1989	1992	33 to 36 yrs	Valid
399-05-####	1936	1950	87 to 105 yrs	Valid
399-06-####	1989	1992	33 to 36 yrs	Valid
399-07-####	1936	1950	87 to 105 yrs	Valid
399-08-####	1989	1992	33 to 36 yrs	Valid
399-09-####	1936	1950	87 to 105 yrs	Valid

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