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	88 to 106 yrs	Valid
484-31-####	2002	2003	23 to 24 yrs	Valid
484-32-####	1936	1950	88 to 106 yrs	Valid
484-33-####	2003	2005	21 to 23 yrs	Valid
484-34-####	1936	1950	88 to 106 yrs	Valid
484-35-####	2005	2007	19 to 21 yrs	Valid
484-36-####	1951	unknown	79 to 91 yrs	Valid
484-37-####	2007	2009	17 to 19 yrs	Valid
484-38-####	1952	1953	85 to 90 yrs	Valid
484-39-####	2009	2010	16 to 17 yrs	Valid
484-40-####	1954	unknown	76 to 88 yrs	Valid
484-41-####	2010	2011	15 to 16 yrs	Valid
484-42-####	1955	unknown	75 to 87 yrs	Valid
484-44-####	1955	unknown	75 to 87 yrs	Valid
484-46-####	1956	unknown	74 to 86 yrs	Valid
484-48-####	1957	1958	80 to 85 yrs	Valid
484-50-####	1959	unknown	71 to 83 yrs	Valid
484-52-####	1960	1961	77 to 82 yrs	Valid
484-54-####	1962	unknown	68 to 80 yrs	Valid
484-56-####	1963	unknown	67 to 79 yrs	Valid
484-58-####	1963	unknown	67 to 79 yrs	Valid
484-60-####	1964	unknown	66 to 78 yrs	Valid
484-62-####	1964	unknown	66 to 78 yrs	Valid
484-64-####	1965	unknown	65 to 77 yrs	Valid
484-66-####	1966	unknown	64 to 76 yrs	Valid
484-68-####	1967	unknown	63 to 75 yrs	Valid
484-70-####	1968	unknown	62 to 74 yrs	Valid
484-72-####	1969	unknown	61 to 73 yrs	Valid
484-74-####	1970	unknown	60 to 72 yrs	Valid
484-76-####	1971	unknown	59 to 71 yrs	Valid
484-78-####	1972	unknown	58 to 70 yrs	Valid
484-80-####	1973	unknown	57 to 69 yrs	Valid
484-82-####	1973	unknown	57 to 69 yrs	Valid
484-84-####	1974	unknown	56 to 68 yrs	Valid
484-86-####	1975	unknown	55 to 67 yrs	Valid
484-88-####	1975	1976	62 to 67 yrs	Valid
484-90-####	1977	unknown	53 to 65 yrs	Valid
484-92-####	1977	unknown	53 to 65 yrs	Valid
484-94-####	1978	unknown	52 to 64 yrs	Valid
484-96-####	1979	1980	58 to 63 yrs	Valid
484-98-####	1981	1982	56 to 61 yrs	Valid
485-01-####	1936	1950	88 to 106 yrs	Valid
485-02-####	1983	unknown	47 to 59 yrs	Valid
485-03-####	1936	1950	88 to 106 yrs	Valid
485-04-####	1984	unknown	46 to 58 yrs	Valid
485-05-####	1936	1950	88 to 106 yrs	Valid
485-06-####	1985	unknown	45 to 57 yrs	Valid
485-07-####	1936	1950	88 to 106 yrs	Valid
485-08-####	1986	unknown	44 to 56 yrs	Valid
485-09-####	1936	1950	88 to 106 yrs	Valid

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