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	86 to 104 yrs	Valid
479-31-####	2001	unknown	15 to 23 yrs	Valid
479-32-####	1936	1950	86 to 104 yrs	Valid
479-33-####	2002	2004	20 to 22 yrs	Valid
479-34-####	1936	1950	86 to 104 yrs	Valid
479-35-####	2004	2006	18 to 20 yrs	Valid
479-36-####	1951	unknown	77 to 89 yrs	Valid
479-37-####	2006	2008	16 to 18 yrs	Valid
479-38-####	1952	unknown	76 to 88 yrs	Valid
479-39-####	2008	2009	15 to 16 yrs	Valid
479-40-####	1953	unknown	75 to 87 yrs	Valid
479-41-####	2009	2011	13 to 15 yrs	Valid
479-42-####	1954	unknown	74 to 86 yrs	Valid
479-44-####	1955	unknown	73 to 85 yrs	Valid
479-46-####	1956	unknown	72 to 84 yrs	Valid
479-48-####	1956	1957	79 to 84 yrs	Valid
479-50-####	1958	unknown	70 to 82 yrs	Valid
479-52-####	1959	1960	76 to 81 yrs	Valid
479-54-####	1961	unknown	67 to 79 yrs	Valid
479-56-####	1962	unknown	66 to 78 yrs	Valid
479-58-####	1963	unknown	65 to 77 yrs	Valid
479-60-####	1964	unknown	64 to 76 yrs	Valid
479-62-####	1964	unknown	64 to 76 yrs	Valid
479-64-####	1965	unknown	63 to 75 yrs	Valid
479-66-####	1965	unknown	63 to 75 yrs	Valid
479-68-####	1966	unknown	62 to 74 yrs	Valid
479-70-####	1967	unknown	61 to 73 yrs	Valid
479-72-####	1968	unknown	60 to 72 yrs	Valid
479-74-####	1969	1970	66 to 71 yrs	Valid
479-76-####	1971	unknown	57 to 69 yrs	Valid
479-78-####	1971	1972	64 to 69 yrs	Valid
479-80-####	1973	unknown	55 to 67 yrs	Valid
479-82-####	1973	unknown	55 to 67 yrs	Valid
479-84-####	1973	unknown	55 to 67 yrs	Valid
479-86-####	1974	unknown	54 to 66 yrs	Valid
479-88-####	1975	1976	60 to 65 yrs	Valid
479-90-####	1977	unknown	51 to 63 yrs	Valid
479-92-####	1977	unknown	51 to 63 yrs	Valid
479-94-####	1977	1978	58 to 63 yrs	Valid
479-96-####	1979	unknown	49 to 61 yrs	Valid
479-98-####	1980	1981	55 to 60 yrs	Valid
480-01-####	1936	1950	86 to 104 yrs	Valid
480-02-####	1982	unknown	46 to 58 yrs	Valid
480-03-####	1936	1950	86 to 104 yrs	Valid
480-04-####	1983	unknown	45 to 57 yrs	Valid
480-05-####	1936	1950	86 to 104 yrs	Valid
480-06-####	1984	unknown	44 to 56 yrs	Valid
480-07-####	1936	1950	86 to 104 yrs	Valid
480-08-####	1985	1986	50 to 55 yrs	Valid
480-09-####	1936	1950	86 to 104 yrs	Valid

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