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?
484-30-####	1936	1950	86 to 104 yrs	Valid
484-31-####	2002	2003	21 to 22 yrs	Valid
484-32-####	1936	1950	86 to 104 yrs	Valid
484-33-####	2003	2005	19 to 21 yrs	Valid
484-34-####	1936	1950	86 to 104 yrs	Valid
484-35-####	2005	2007	17 to 19 yrs	Valid
484-36-####	1951	unknown	77 to 89 yrs	Valid
484-37-####	2007	2009	15 to 17 yrs	Valid
484-38-####	1952	1953	83 to 88 yrs	Valid
484-39-####	2009	2010	14 to 15 yrs	Valid
484-40-####	1954	unknown	74 to 86 yrs	Valid
484-41-####	2010	2011	13 to 14 yrs	Valid
484-42-####	1955	unknown	73 to 85 yrs	Valid
484-44-####	1955	unknown	73 to 85 yrs	Valid
484-46-####	1956	unknown	72 to 84 yrs	Valid
484-48-####	1957	1958	78 to 83 yrs	Valid
484-50-####	1959	unknown	69 to 81 yrs	Valid
484-52-####	1960	1961	75 to 80 yrs	Valid
484-54-####	1962	unknown	66 to 78 yrs	Valid
484-56-####	1963	unknown	65 to 77 yrs	Valid
484-58-####	1963	unknown	65 to 77 yrs	Valid
484-60-####	1964	unknown	64 to 76 yrs	Valid
484-62-####	1964	unknown	64 to 76 yrs	Valid
484-64-####	1965	unknown	63 to 75 yrs	Valid
484-66-####	1966	unknown	62 to 74 yrs	Valid
484-68-####	1967	unknown	61 to 73 yrs	Valid
484-70-####	1968	unknown	60 to 72 yrs	Valid
484-72-####	1969	unknown	59 to 71 yrs	Valid
484-74-####	1970	unknown	58 to 70 yrs	Valid
484-76-####	1971	unknown	57 to 69 yrs	Valid
484-78-####	1972	unknown	56 to 68 yrs	Valid
484-80-####	1973	unknown	55 to 67 yrs	Valid
484-82-####	1973	unknown	55 to 67 yrs	Valid
484-84-####	1974	unknown	54 to 66 yrs	Valid
484-86-####	1975	unknown	53 to 65 yrs	Valid
484-88-####	1975	1976	60 to 65 yrs	Valid
484-90-####	1977	unknown	51 to 63 yrs	Valid
484-92-####	1977	unknown	51 to 63 yrs	Valid
484-94-####	1978	unknown	50 to 62 yrs	Valid
484-96-####	1979	1980	56 to 61 yrs	Valid
484-98-####	1981	1982	54 to 59 yrs	Valid
485-01-####	1936	1950	86 to 104 yrs	Valid
485-02-####	1983	unknown	45 to 57 yrs	Valid
485-03-####	1936	1950	86 to 104 yrs	Valid
485-04-####	1984	unknown	44 to 56 yrs	Valid
485-05-####	1936	1950	86 to 104 yrs	Valid
485-06-####	1985	unknown	43 to 55 yrs	Valid
485-07-####	1936	1950	86 to 104 yrs	Valid
485-08-####	1986	unknown	42 to 54 yrs	Valid
485-09-####	1936	1950	86 to 104 yrs	Valid

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