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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?
340-70-#### 1981 1982 55 to 60 yrs Valid
340-72-#### 1983 1984 53 to 58 yrs Valid
340-74-#### 1985 unknown 44 to 56 yrs Valid
340-76-#### 1986 unknown 43 to 55 yrs Valid
340-78-#### 1987 unknown 42 to 54 yrs Valid
340-80-#### 1988 unknown 29 to 37 yrs Valid
340-82-#### 1989 1992 33 to 36 yrs Valid
340-84-#### 1989 1992 33 to 36 yrs Valid
340-86-#### 1989 1992 33 to 36 yrs Valid
340-88-#### 1993 unknown 24 to 32 yrs Valid
340-90-#### 1994 unknown 23 to 31 yrs Valid
340-92-#### 1996 1998 27 to 29 yrs Valid
340-94-#### 1998 unknown 19 to 27 yrs Valid
340-96-#### 1999 2000 25 to 26 yrs Valid
340-98-#### 2001 unknown 16 to 24 yrs Valid
341-01-#### 1936 1950 87 to 105 yrs Valid
341-02-#### 2003 2005 20 to 22 yrs Valid
341-03-#### 1936 1950 87 to 105 yrs Valid
341-04-#### 2005 2007 18 to 20 yrs Valid
341-05-#### 1936 1950 87 to 105 yrs Valid
341-06-#### 2007 2009 16 to 18 yrs Valid
341-07-#### 1936 1950 87 to 105 yrs Valid
341-08-#### 2009 2011 14 to 16 yrs Valid
341-09-#### 1936 1950 87 to 105 yrs Valid
341-10-#### 1936 1950 87 to 105 yrs Valid
341-11-#### 2011 unknown 6 to 14 yrs Valid
341-12-#### 1936 1950 87 to 105 yrs Valid
341-14-#### 1936 1950 87 to 105 yrs Valid
341-16-#### 1936 1950 87 to 105 yrs Valid
341-18-#### 1936 1950 87 to 105 yrs Valid
341-20-#### 1936 1950 87 to 105 yrs Valid
341-22-#### 1936 1950 87 to 105 yrs Valid
341-24-#### 1936 1950 87 to 105 yrs Valid
341-26-#### 1936 1950 87 to 105 yrs Valid
341-28-#### 1951 1952 85 to 90 yrs Valid
341-30-#### 1953 1954 83 to 88 yrs Valid
341-32-#### 1955 1957 80 to 86 yrs Valid
341-34-#### 1958 1959 78 to 83 yrs Valid
341-36-#### 1960 1961 76 to 81 yrs Valid
341-38-#### 1962 unknown 67 to 79 yrs Valid
341-40-#### 1963 1964 73 to 78 yrs Valid
341-42-#### 1965 unknown 64 to 76 yrs Valid
341-44-#### 1966 unknown 63 to 75 yrs Valid
341-46-#### 1967 1968 69 to 74 yrs Valid
341-48-#### 1969 unknown 60 to 72 yrs Valid
341-50-#### 1970 unknown 59 to 71 yrs Valid
341-52-#### 1971 unknown 58 to 70 yrs Valid
341-54-#### 1972 unknown 57 to 69 yrs Valid
341-56-#### 1973 unknown 56 to 68 yrs Valid
341-58-#### 1974 unknown 55 to 67 yrs Valid

** This Document Provided By SSN-Verify.com **
Source: http://www.ssn-verify.com/lookup/illinois?page=26