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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 86 to 104 yrs Valid
318-02-#### 2002 2004 20 to 22 yrs Valid
318-03-#### 1936 1950 86 to 104 yrs Valid
318-04-#### 2004 2006 18 to 20 yrs Valid
318-05-#### 1936 1950 86 to 104 yrs Valid
318-06-#### 2006 2008 16 to 18 yrs Valid
318-07-#### 1936 1950 86 to 104 yrs Valid
318-08-#### 2008 2010 14 to 16 yrs Valid
318-09-#### 1936 1950 86 to 104 yrs Valid
318-10-#### 1936 1950 86 to 104 yrs Valid
318-11-#### 2010 2011 13 to 14 yrs Valid
318-12-#### 1936 1950 86 to 104 yrs Valid
318-14-#### 1936 1950 86 to 104 yrs Valid
318-16-#### 1936 1950 86 to 104 yrs Valid
318-18-#### 1936 1950 86 to 104 yrs Valid
318-20-#### 1936 1950 86 to 104 yrs Valid
318-22-#### 1936 1950 86 to 104 yrs Valid
318-24-#### 1936 1950 86 to 104 yrs Valid
318-26-#### 1936 1950 86 to 104 yrs Valid
318-28-#### 1951 unknown 77 to 89 yrs Valid
318-30-#### 1952 1953 83 to 88 yrs Valid
318-32-#### 1954 1955 81 to 86 yrs Valid
318-34-#### 1956 1958 78 to 84 yrs Valid
318-36-#### 1959 1960 76 to 81 yrs Valid
318-38-#### 1961 1962 74 to 79 yrs Valid
318-40-#### 1963 unknown 65 to 77 yrs Valid
318-42-#### 1964 unknown 64 to 76 yrs Valid
318-44-#### 1965 unknown 63 to 75 yrs Valid
318-46-#### 1966 1967 69 to 74 yrs Valid
318-48-#### 1968 unknown 60 to 72 yrs Valid
318-50-#### 1969 unknown 59 to 71 yrs Valid
318-52-#### 1970 unknown 58 to 70 yrs Valid
318-54-#### 1971 1972 64 to 69 yrs Valid
318-56-#### 1973 unknown 55 to 67 yrs Valid
318-58-#### 1973 unknown 55 to 67 yrs Valid
318-60-#### 1974 unknown 54 to 66 yrs Valid
318-62-#### 1975 unknown 53 to 65 yrs Valid
318-64-#### 1976 unknown 52 to 64 yrs Valid
318-66-#### 1977 1978 58 to 63 yrs Valid
318-68-#### 1979 1980 56 to 61 yrs Valid
318-70-#### 1981 unknown 47 to 59 yrs Valid
318-72-#### 1982 1983 53 to 58 yrs Valid
318-74-#### 1984 unknown 44 to 56 yrs Valid
318-76-#### 1985 1986 50 to 55 yrs Valid
318-78-#### 1987 unknown 41 to 53 yrs Valid
318-80-#### 1987 unknown 41 to 53 yrs Valid
318-82-#### 1988 unknown 28 to 36 yrs Valid
318-84-#### 1989 1992 32 to 35 yrs Valid
318-86-#### 1989 1992 32 to 35 yrs Valid
318-88-#### 1989 1992 32 to 35 yrs Valid

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