Illinois Social Security Numbers

Social Security Numbers issued to Illinois fall between 318-##-#### and 361-##-####.

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 >

Illinois SSNs by Year

Within the 318-##-#### to 361-##-#### 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?
332-50-####	1969	unknown	60 to 72 yrs	Valid
332-52-####	1970	1971	66 to 71 yrs	Valid
332-54-####	1972	unknown	57 to 69 yrs	Valid
332-56-####	1973	unknown	56 to 68 yrs	Valid
332-58-####	1973	1974	63 to 68 yrs	Valid
332-60-####	1975	unknown	54 to 66 yrs	Valid
332-62-####	1976	unknown	53 to 65 yrs	Valid
332-64-####	1976	1977	60 to 65 yrs	Valid
332-66-####	1978	1979	58 to 63 yrs	Valid
332-68-####	1980	unknown	49 to 61 yrs	Valid
332-70-####	1981	1982	55 to 60 yrs	Valid
332-72-####	1983	unknown	46 to 58 yrs	Valid
332-74-####	1984	1985	52 to 57 yrs	Valid
332-76-####	1986	unknown	43 to 55 yrs	Valid
332-78-####	1987	unknown	42 to 54 yrs	Valid
332-80-####	1988	unknown	29 to 37 yrs	Valid
332-82-####	1989	1992	33 to 36 yrs	Valid
332-84-####	1989	1992	33 to 36 yrs	Valid
332-86-####	1989	1992	33 to 36 yrs	Valid
332-88-####	1993	unknown	24 to 32 yrs	Valid
332-90-####	1994	unknown	23 to 31 yrs	Valid
332-92-####	1996	unknown	21 to 29 yrs	Valid
332-94-####	1997	1998	27 to 28 yrs	Valid
332-96-####	1999	unknown	18 to 26 yrs	Valid
332-98-####	2001	2003	22 to 24 yrs	Valid
333-01-####	1936	1950	87 to 105 yrs	Valid
333-02-####	2003	2005	20 to 22 yrs	Valid
333-03-####	1936	1950	87 to 105 yrs	Valid
333-04-####	2005	2006	19 to 20 yrs	Valid
333-05-####	1936	1950	87 to 105 yrs	Valid
333-06-####	2006	2008	17 to 19 yrs	Valid
333-07-####	1936	1950	87 to 105 yrs	Valid
333-08-####	2008	2010	15 to 17 yrs	Valid
333-09-####	1936	1950	87 to 105 yrs	Valid
333-10-####	1936	1950	87 to 105 yrs	Valid
333-11-####	2010	2011	14 to 15 yrs	Valid
333-12-####	1936	1950	87 to 105 yrs	Valid
333-14-####	1936	1950	87 to 105 yrs	Valid
333-16-####	1936	1950	87 to 105 yrs	Valid
333-18-####	1936	1950	87 to 105 yrs	Valid
333-20-####	1936	1950	87 to 105 yrs	Valid
333-22-####	1936	1950	87 to 105 yrs	Valid
333-24-####	1936	1950	87 to 105 yrs	Valid
333-26-####	1936	1950	87 to 105 yrs	Valid
333-28-####	1951	1952	85 to 90 yrs	Valid
333-30-####	1953	1954	83 to 88 yrs	Valid
333-32-####	1955	1956	81 to 86 yrs	Valid
333-34-####	1957	1959	78 to 84 yrs	Valid
333-36-####	1960	1961	76 to 81 yrs	Valid
333-38-####	1962	unknown	67 to 79 yrs	Valid

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