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?
485-10-####	1936	1950	88 to 106 yrs	Valid
485-11-####	1987	unknown	43 to 55 yrs	Valid
485-12-####	1936	1950	88 to 106 yrs	Valid
485-13-####	1988	unknown	30 to 38 yrs	Valid
485-14-####	1936	1950	88 to 106 yrs	Valid
485-15-####	1989	1992	34 to 37 yrs	Valid
485-16-####	1936	1950	88 to 106 yrs	Valid
485-17-####	1989	1992	34 to 37 yrs	Valid
485-18-####	1936	1950	88 to 106 yrs	Valid
485-19-####	1989	1992	34 to 37 yrs	Valid
485-20-####	1936	1950	88 to 106 yrs	Valid
485-21-####	1993	unknown	25 to 33 yrs	Valid
485-22-####	1936	1950	88 to 106 yrs	Valid
485-23-####	1995	unknown	23 to 31 yrs	Valid
485-24-####	1936	1950	88 to 106 yrs	Valid
485-25-####	1997	1998	28 to 29 yrs	Valid
485-26-####	1936	1950	88 to 106 yrs	Valid
485-27-####	1998	unknown	20 to 28 yrs	Valid
485-28-####	1936	1950	88 to 106 yrs	Valid
485-29-####	2000	unknown	18 to 26 yrs	Valid
485-30-####	1936	1950	88 to 106 yrs	Valid
485-31-####	2002	2004	22 to 24 yrs	Valid
485-32-####	1936	1950	88 to 106 yrs	Valid
485-33-####	2004	2005	21 to 22 yrs	Valid
485-34-####	1951	unknown	79 to 91 yrs	Valid
485-35-####	2005	2007	19 to 21 yrs	Valid
485-36-####	1952	unknown	78 to 90 yrs	Valid
485-37-####	2007	2009	17 to 19 yrs	Valid
485-38-####	1952	1953	85 to 90 yrs	Valid
485-39-####	2009	2011	15 to 17 yrs	Valid
485-40-####	1954	unknown	76 to 88 yrs	Valid
485-41-####	2011	unknown	7 to 15 yrs	Valid
485-42-####	1955	unknown	75 to 87 yrs	Valid
485-44-####	1956	unknown	74 to 86 yrs	Valid
485-46-####	1956	unknown	74 to 86 yrs	Valid
485-48-####	1957	1958	80 to 85 yrs	Valid
485-50-####	1959	unknown	71 to 83 yrs	Valid
485-52-####	1960	1961	77 to 82 yrs	Valid
485-54-####	1962	unknown	68 to 80 yrs	Valid
485-56-####	1963	unknown	67 to 79 yrs	Valid
485-58-####	1963	unknown	67 to 79 yrs	Valid
485-60-####	1964	unknown	66 to 78 yrs	Valid
485-62-####	1965	unknown	65 to 77 yrs	Valid
485-64-####	1965	unknown	65 to 77 yrs	Valid
485-66-####	1966	unknown	64 to 76 yrs	Valid
485-68-####	1967	unknown	63 to 75 yrs	Valid
485-70-####	1968	unknown	62 to 74 yrs	Valid
485-72-####	1969	unknown	61 to 73 yrs	Valid
485-74-####	1970	unknown	60 to 72 yrs	Valid
485-76-####	1971	unknown	59 to 71 yrs	Valid

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