Iowa Social Security Numbers

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

Use the SSN Search Tool to check individual Social Security Numbers.

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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-##-#### to 485-##-#### 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?
479-30-####	1936	1950	87 to 105 yrs	Valid
479-31-####	2001	unknown	16 to 24 yrs	Valid
479-32-####	1936	1950	87 to 105 yrs	Valid
479-33-####	2002	2004	21 to 23 yrs	Valid
479-34-####	1936	1950	87 to 105 yrs	Valid
479-35-####	2004	2006	19 to 21 yrs	Valid
479-36-####	1951	unknown	78 to 90 yrs	Valid
479-37-####	2006	2008	17 to 19 yrs	Valid
479-38-####	1952	unknown	77 to 89 yrs	Valid
479-39-####	2008	2009	16 to 17 yrs	Valid
479-40-####	1953	unknown	76 to 88 yrs	Valid
479-41-####	2009	2011	14 to 16 yrs	Valid
479-42-####	1954	unknown	75 to 87 yrs	Valid
479-44-####	1955	unknown	74 to 86 yrs	Valid
479-46-####	1956	unknown	73 to 85 yrs	Valid
479-48-####	1956	1957	80 to 85 yrs	Valid
479-50-####	1958	unknown	71 to 83 yrs	Valid
479-52-####	1959	1960	77 to 82 yrs	Valid
479-54-####	1961	unknown	68 to 80 yrs	Valid
479-56-####	1962	unknown	67 to 79 yrs	Valid
479-58-####	1963	unknown	66 to 78 yrs	Valid
479-60-####	1964	unknown	65 to 77 yrs	Valid
479-62-####	1964	unknown	65 to 77 yrs	Valid
479-64-####	1965	unknown	64 to 76 yrs	Valid
479-66-####	1965	unknown	64 to 76 yrs	Valid
479-68-####	1966	unknown	63 to 75 yrs	Valid
479-70-####	1967	unknown	62 to 74 yrs	Valid
479-72-####	1968	unknown	61 to 73 yrs	Valid
479-74-####	1969	1970	67 to 72 yrs	Valid
479-76-####	1971	unknown	58 to 70 yrs	Valid
479-78-####	1971	1972	65 to 70 yrs	Valid
479-80-####	1973	unknown	56 to 68 yrs	Valid
479-82-####	1973	unknown	56 to 68 yrs	Valid
479-84-####	1973	unknown	56 to 68 yrs	Valid
479-86-####	1974	unknown	55 to 67 yrs	Valid
479-88-####	1975	1976	61 to 66 yrs	Valid
479-90-####	1977	unknown	52 to 64 yrs	Valid
479-92-####	1977	unknown	52 to 64 yrs	Valid
479-94-####	1977	1978	59 to 64 yrs	Valid
479-96-####	1979	unknown	50 to 62 yrs	Valid
479-98-####	1980	1981	56 to 61 yrs	Valid
480-01-####	1936	1950	87 to 105 yrs	Valid
480-02-####	1982	unknown	47 to 59 yrs	Valid
480-03-####	1936	1950	87 to 105 yrs	Valid
480-04-####	1983	unknown	46 to 58 yrs	Valid
480-05-####	1936	1950	87 to 105 yrs	Valid
480-06-####	1984	unknown	45 to 57 yrs	Valid
480-07-####	1936	1950	87 to 105 yrs	Valid
480-08-####	1985	1986	51 to 56 yrs	Valid
480-09-####	1936	1950	87 to 105 yrs	Valid

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