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


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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?
318-01-#### 1936 1950 82 to 100 yrs Valid
318-02-#### 2002 2004 16 to 18 yrs Valid
318-03-#### 1936 1950 82 to 100 yrs Valid
318-04-#### 2004 2006 14 to 16 yrs Valid
318-05-#### 1936 1950 82 to 100 yrs Valid
318-06-#### 2006 2008 12 to 14 yrs Valid
318-07-#### 1936 1950 82 to 100 yrs Valid
318-08-#### 2008 2010 10 to 12 yrs Valid
318-09-#### 1936 1950 82 to 100 yrs Valid
318-10-#### 1936 1950 82 to 100 yrs Valid
318-11-#### 2010 2011 9 to 10 yrs Valid
318-12-#### 1936 1950 82 to 100 yrs Valid
318-14-#### 1936 1950 82 to 100 yrs Valid
318-16-#### 1936 1950 82 to 100 yrs Valid
318-18-#### 1936 1950 82 to 100 yrs Valid
318-20-#### 1936 1950 82 to 100 yrs Valid
318-22-#### 1936 1950 82 to 100 yrs Valid
318-24-#### 1936 1950 82 to 100 yrs Valid
318-26-#### 1936 1950 82 to 100 yrs Valid
318-28-#### 1951 unknown 73 to 85 yrs Valid
318-30-#### 1952 1953 79 to 84 yrs Valid
318-32-#### 1954 1955 77 to 82 yrs Valid
318-34-#### 1956 1958 74 to 80 yrs Valid
318-36-#### 1959 1960 72 to 77 yrs Valid
318-38-#### 1961 1962 70 to 75 yrs Valid
318-40-#### 1963 unknown 61 to 73 yrs Valid
318-42-#### 1964 unknown 60 to 72 yrs Valid
318-44-#### 1965 unknown 59 to 71 yrs Valid
318-46-#### 1966 1967 65 to 70 yrs Valid
318-48-#### 1968 unknown 56 to 68 yrs Valid
318-50-#### 1969 unknown 55 to 67 yrs Valid
318-52-#### 1970 unknown 54 to 66 yrs Valid
318-54-#### 1971 1972 60 to 65 yrs Valid
318-56-#### 1973 unknown 51 to 63 yrs Valid
318-58-#### 1973 unknown 51 to 63 yrs Valid
318-60-#### 1974 unknown 50 to 62 yrs Valid
318-62-#### 1975 unknown 49 to 61 yrs Valid
318-64-#### 1976 unknown 48 to 60 yrs Valid
318-66-#### 1977 1978 54 to 59 yrs Valid
318-68-#### 1979 1980 52 to 57 yrs Valid
318-70-#### 1981 unknown 43 to 55 yrs Valid
318-72-#### 1982 1983 49 to 54 yrs Valid
318-74-#### 1984 unknown 40 to 52 yrs Valid
318-76-#### 1985 1986 46 to 51 yrs Valid
318-78-#### 1987 unknown 37 to 49 yrs Valid
318-80-#### 1987 unknown 37 to 49 yrs Valid
318-82-#### 1988 unknown 24 to 32 yrs Valid
318-84-#### 1989 1992 28 to 31 yrs Valid
318-86-#### 1989 1992 28 to 31 yrs Valid
318-88-#### 1989 1992 28 to 31 yrs Valid

** This Document Provided By SSN-Verify.com **
Source: http://www.ssn-verify.com/lookup/illinois