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?
354-48-####	1969	unknown	59 to 71 yrs	Valid
354-50-####	1970	unknown	58 to 70 yrs	Valid
354-52-####	1971	1972	64 to 69 yrs	Valid
354-54-####	1973	unknown	55 to 67 yrs	Valid
354-56-####	1973	unknown	55 to 67 yrs	Valid
354-58-####	1974	unknown	54 to 66 yrs	Valid
354-60-####	1975	unknown	53 to 65 yrs	Valid
354-62-####	1976	unknown	52 to 64 yrs	Valid
354-64-####	1977	1978	58 to 63 yrs	Valid
354-66-####	1979	unknown	49 to 61 yrs	Valid
354-68-####	1980	1981	55 to 60 yrs	Valid
354-70-####	1982	unknown	46 to 58 yrs	Valid
354-72-####	1983	1984	52 to 57 yrs	Valid
354-74-####	1985	1986	50 to 55 yrs	Valid
354-76-####	1987	unknown	41 to 53 yrs	Valid
354-78-####	1987	unknown	41 to 53 yrs	Valid
354-80-####	1988	unknown	28 to 36 yrs	Valid
354-82-####	1989	1992	32 to 35 yrs	Valid
354-84-####	1989	1992	32 to 35 yrs	Valid
354-86-####	1989	1992	32 to 35 yrs	Valid
354-88-####	1993	unknown	23 to 31 yrs	Valid
354-90-####	1995	unknown	21 to 29 yrs	Valid
354-92-####	1997	1998	26 to 27 yrs	Valid
354-94-####	1998	unknown	18 to 26 yrs	Valid
354-96-####	2000	unknown	16 to 24 yrs	Valid
354-98-####	2002	2004	20 to 22 yrs	Valid
355-01-####	1936	1950	86 to 104 yrs	Valid
355-02-####	2004	2005	19 to 20 yrs	Valid
355-03-####	1936	1950	86 to 104 yrs	Valid
355-04-####	2005	2007	17 to 19 yrs	Valid
355-05-####	1936	1950	86 to 104 yrs	Valid
355-06-####	2007	2009	15 to 17 yrs	Valid
355-07-####	1936	1950	86 to 104 yrs	Valid
355-08-####	2009	2011	13 to 15 yrs	Valid
355-09-####	1936	1950	86 to 104 yrs	Valid
355-10-####	1936	1950	86 to 104 yrs	Valid
355-12-####	1936	1950	86 to 104 yrs	Valid
355-14-####	1936	1950	86 to 104 yrs	Valid
355-16-####	1936	1950	86 to 104 yrs	Valid
355-18-####	1936	1950	86 to 104 yrs	Valid
355-20-####	1936	1950	86 to 104 yrs	Valid
355-22-####	1936	1950	86 to 104 yrs	Valid
355-24-####	1936	1950	86 to 104 yrs	Valid
355-26-####	1936	1950	86 to 104 yrs	Valid
355-28-####	1951	1953	83 to 89 yrs	Valid
355-30-####	1954	1955	81 to 86 yrs	Valid
355-32-####	1956	1958	78 to 84 yrs	Valid
355-34-####	1959	1960	76 to 81 yrs	Valid
355-36-####	1961	1962	74 to 79 yrs	Valid
355-38-####	1963	unknown	65 to 77 yrs	Valid

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