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Social Security Numbers issued to Iowa fall between 478-xx-xxxx and 485-xx-xxxx.


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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 >

Iowa SSNs by Year

Within the 478-xx-xxxx to 485-xx-xxxx 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?
478-01-xxxx 1936 1950 80 to 98 yrs Valid
478-02-xxxx 1981 1982 48 to 53 yrs Valid
478-03-xxxx 1936 1950 80 to 98 yrs Valid
478-04-xxxx 1983 unknown 39 to 51 yrs Valid
478-05-xxxx 1936 1950 80 to 98 yrs Valid
478-06-xxxx 1984 unknown 38 to 50 yrs Valid
478-07-xxxx 1936 1950 80 to 98 yrs Valid
478-08-xxxx 1985 unknown 37 to 49 yrs Valid
478-09-xxxx 1936 1950 80 to 98 yrs Valid
478-10-xxxx 1936 1950 80 to 98 yrs Valid
478-11-xxxx 1986 unknown 36 to 48 yrs Valid
478-12-xxxx 1936 1950 80 to 98 yrs Valid
478-13-xxxx 1987 unknown 35 to 47 yrs Valid
478-14-xxxx 1936 1950 80 to 98 yrs Valid
478-15-xxxx 1988 unknown 22 to 30 yrs Valid
478-16-xxxx 1936 1950 80 to 98 yrs Valid
478-17-xxxx 1989 1992 26 to 29 yrs Valid
478-18-xxxx 1936 1950 80 to 98 yrs Valid
478-19-xxxx 1989 1992 26 to 29 yrs Valid
478-20-xxxx 1936 1950 80 to 98 yrs Valid
478-21-xxxx 1989 1992 26 to 29 yrs Valid
478-22-xxxx 1936 1950 80 to 98 yrs Valid
478-23-xxxx 1993 unknown 17 to 25 yrs Valid
478-24-xxxx 1936 1950 80 to 98 yrs Valid
478-25-xxxx 1995 unknown 15 to 23 yrs Valid
478-26-xxxx 1936 1950 80 to 98 yrs Valid
478-27-xxxx 1997 1998 20 to 21 yrs Valid
478-28-xxxx 1936 1950 80 to 98 yrs Valid
478-29-xxxx 1999 unknown 11 to 19 yrs Valid
478-30-xxxx 1936 1950 80 to 98 yrs Valid
478-31-xxxx 2000 2001 17 to 18 yrs Valid
478-32-xxxx 1936 1950 80 to 98 yrs Valid
478-33-xxxx 2002 2004 14 to 16 yrs Valid
478-34-xxxx 1936 1950 80 to 98 yrs Valid
478-35-xxxx 2004 2006 12 to 14 yrs Valid
478-36-xxxx 1951 unknown 71 to 83 yrs Valid
478-37-xxxx 2006 2007 11 to 12 yrs Valid
478-38-xxxx 1952 unknown 70 to 82 yrs Valid
478-39-xxxx 2007 2009 9 to 11 yrs Valid
478-40-xxxx 1953 unknown 69 to 81 yrs Valid
478-41-xxxx 2009 2011 7 to 9 yrs Valid
478-42-xxxx 1954 unknown 68 to 80 yrs Valid
478-43-xxxx 2011 unknown 1 to 7 yrs Valid
478-44-xxxx 1955 unknown 67 to 79 yrs Valid
478-46-xxxx 1955 unknown 67 to 79 yrs Valid
478-48-xxxx 1956 unknown 66 to 78 yrs Valid
478-50-xxxx 1957 1958 72 to 77 yrs Valid
478-52-xxxx 1959 1960 70 to 75 yrs Valid
478-54-xxxx 1961 unknown 61 to 73 yrs Valid
478-56-xxxx 1962 unknown 60 to 72 yrs Valid

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