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.

Issuance State:

Issuance Year:

You must select a state.

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?
318-90-####	1994	unknown	22 to 30 yrs	Valid
318-92-####	1995	unknown	21 to 29 yrs	Valid
318-94-####	1997	1998	26 to 27 yrs	Valid
318-96-####	1999	unknown	17 to 25 yrs	Valid
318-98-####	2000	unknown	16 to 24 yrs	Valid
319-01-####	1936	1950	86 to 104 yrs	Valid
319-02-####	2002	2004	20 to 22 yrs	Valid
319-03-####	1936	1950	86 to 104 yrs	Valid
319-04-####	2004	2006	18 to 20 yrs	Valid
319-05-####	1936	1950	86 to 104 yrs	Valid
319-06-####	2006	2008	16 to 18 yrs	Valid
319-07-####	1936	1950	86 to 104 yrs	Valid
319-08-####	2008	2010	14 to 16 yrs	Valid
319-09-####	1936	1950	86 to 104 yrs	Valid
319-10-####	1936	1950	86 to 104 yrs	Valid
319-11-####	2010	2011	13 to 14 yrs	Valid
319-12-####	1936	1950	86 to 104 yrs	Valid
319-14-####	1936	1950	86 to 104 yrs	Valid
319-16-####	1936	1950	86 to 104 yrs	Valid
319-18-####	1936	1950	86 to 104 yrs	Valid
319-20-####	1936	1950	86 to 104 yrs	Valid
319-22-####	1936	1950	86 to 104 yrs	Valid
319-24-####	1936	1950	86 to 104 yrs	Valid
319-26-####	1936	1950	86 to 104 yrs	Valid
319-28-####	1951	unknown	77 to 89 yrs	Valid
319-30-####	1952	1953	83 to 88 yrs	Valid
319-32-####	1954	1955	81 to 86 yrs	Valid
319-34-####	1956	1958	78 to 84 yrs	Valid
319-36-####	1959	1960	76 to 81 yrs	Valid
319-38-####	1961	1962	74 to 79 yrs	Valid
319-40-####	1963	unknown	65 to 77 yrs	Valid
319-42-####	1964	unknown	64 to 76 yrs	Valid
319-44-####	1965	unknown	63 to 75 yrs	Valid
319-46-####	1966	1967	69 to 74 yrs	Valid
319-48-####	1968	unknown	60 to 72 yrs	Valid
319-50-####	1969	unknown	59 to 71 yrs	Valid
319-52-####	1970	1971	65 to 70 yrs	Valid
319-54-####	1972	unknown	56 to 68 yrs	Valid
319-56-####	1973	unknown	55 to 67 yrs	Valid
319-58-####	1973	unknown	55 to 67 yrs	Valid
319-60-####	1974	unknown	54 to 66 yrs	Valid
319-62-####	1975	unknown	53 to 65 yrs	Valid
319-64-####	1976	unknown	52 to 64 yrs	Valid
319-66-####	1977	1978	58 to 63 yrs	Valid
319-68-####	1979	1980	56 to 61 yrs	Valid
319-70-####	1981	unknown	47 to 59 yrs	Valid
319-72-####	1982	1983	53 to 58 yrs	Valid
319-74-####	1984	unknown	44 to 56 yrs	Valid
319-76-####	1985	1986	50 to 55 yrs	Valid
319-78-####	1987	unknown	41 to 53 yrs	Valid

Top