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?
399-10-####	1936	1950	86 to 104 yrs	Valid
399-11-####	1994	unknown	22 to 30 yrs	Valid
399-12-####	1936	1950	86 to 104 yrs	Valid
399-13-####	1995	unknown	21 to 29 yrs	Valid
399-14-####	1936	1950	86 to 104 yrs	Valid
399-15-####	1997	1998	26 to 27 yrs	Valid
399-16-####	1936	1950	86 to 104 yrs	Valid
399-17-####	1998	unknown	18 to 26 yrs	Valid
399-18-####	1936	1950	86 to 104 yrs	Valid
399-19-####	2000	unknown	16 to 24 yrs	Valid
399-20-####	1936	1950	86 to 104 yrs	Valid
399-21-####	2002	unknown	14 to 22 yrs	Valid
399-22-####	1936	1950	86 to 104 yrs	Valid
399-23-####	2003	2005	19 to 21 yrs	Valid
399-24-####	1936	1950	86 to 104 yrs	Valid
399-25-####	2005	2006	18 to 19 yrs	Valid
399-26-####	1936	1950	86 to 104 yrs	Valid
399-27-####	2006	2008	16 to 18 yrs	Valid
399-28-####	1936	1950	86 to 104 yrs	Valid
399-29-####	2008	2009	15 to 16 yrs	Valid
399-30-####	1951	unknown	77 to 89 yrs	Valid
399-31-####	2009	2011	13 to 15 yrs	Valid
399-32-####	1952	1954	82 to 88 yrs	Valid
399-34-####	1955	1956	80 to 85 yrs	Valid
399-36-####	1957	unknown	71 to 83 yrs	Valid
399-38-####	1958	1959	77 to 82 yrs	Valid
399-40-####	1960	1961	75 to 80 yrs	Valid
399-42-####	1962	unknown	66 to 78 yrs	Valid
399-44-####	1962	1963	73 to 78 yrs	Valid
399-46-####	1964	unknown	64 to 76 yrs	Valid
399-48-####	1964	1965	71 to 76 yrs	Valid
399-50-####	1966	unknown	62 to 74 yrs	Valid
399-52-####	1967	unknown	61 to 73 yrs	Valid
399-54-####	1967	1968	68 to 73 yrs	Valid
399-56-####	1969	unknown	59 to 71 yrs	Valid
399-58-####	1970	unknown	58 to 70 yrs	Valid
399-60-####	1971	unknown	57 to 69 yrs	Valid
399-62-####	1972	unknown	56 to 68 yrs	Valid
399-64-####	1972	1973	63 to 68 yrs	Valid
399-66-####	1974	unknown	54 to 66 yrs	Valid
399-68-####	1974	unknown	54 to 66 yrs	Valid
399-70-####	1974	unknown	54 to 66 yrs	Valid
399-72-####	1975	unknown	53 to 65 yrs	Valid
399-74-####	1976	unknown	52 to 64 yrs	Valid
399-76-####	1977	unknown	51 to 63 yrs	Valid
399-78-####	1977	unknown	51 to 63 yrs	Valid
399-80-####	1978	1979	57 to 62 yrs	Valid
399-82-####	1980	unknown	48 to 60 yrs	Valid
399-84-####	1980	unknown	48 to 60 yrs	Valid
399-86-####	1981	unknown	47 to 59 yrs	Valid

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