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	87 to 105 yrs	Valid
485-11-####	1987	unknown	42 to 54 yrs	Valid
485-12-####	1936	1950	87 to 105 yrs	Valid
485-13-####	1988	unknown	29 to 37 yrs	Valid
485-14-####	1936	1950	87 to 105 yrs	Valid
485-15-####	1989	1992	33 to 36 yrs	Valid
485-16-####	1936	1950	87 to 105 yrs	Valid
485-17-####	1989	1992	33 to 36 yrs	Valid
485-18-####	1936	1950	87 to 105 yrs	Valid
485-19-####	1989	1992	33 to 36 yrs	Valid
485-20-####	1936	1950	87 to 105 yrs	Valid
485-21-####	1993	unknown	24 to 32 yrs	Valid
485-22-####	1936	1950	87 to 105 yrs	Valid
485-23-####	1995	unknown	22 to 30 yrs	Valid
485-24-####	1936	1950	87 to 105 yrs	Valid
485-25-####	1997	1998	27 to 28 yrs	Valid
485-26-####	1936	1950	87 to 105 yrs	Valid
485-27-####	1998	unknown	19 to 27 yrs	Valid
485-28-####	1936	1950	87 to 105 yrs	Valid
485-29-####	2000	unknown	17 to 25 yrs	Valid
485-30-####	1936	1950	87 to 105 yrs	Valid
485-31-####	2002	2004	21 to 23 yrs	Valid
485-32-####	1936	1950	87 to 105 yrs	Valid
485-33-####	2004	2005	20 to 21 yrs	Valid
485-34-####	1951	unknown	78 to 90 yrs	Valid
485-35-####	2005	2007	18 to 20 yrs	Valid
485-36-####	1952	unknown	77 to 89 yrs	Valid
485-37-####	2007	2009	16 to 18 yrs	Valid
485-38-####	1952	1953	84 to 89 yrs	Valid
485-39-####	2009	2011	14 to 16 yrs	Valid
485-40-####	1954	unknown	75 to 87 yrs	Valid
485-41-####	2011	unknown	6 to 14 yrs	Valid
485-42-####	1955	unknown	74 to 86 yrs	Valid
485-44-####	1956	unknown	73 to 85 yrs	Valid
485-46-####	1956	unknown	73 to 85 yrs	Valid
485-48-####	1957	1958	79 to 84 yrs	Valid
485-50-####	1959	unknown	70 to 82 yrs	Valid
485-52-####	1960	1961	76 to 81 yrs	Valid
485-54-####	1962	unknown	67 to 79 yrs	Valid
485-56-####	1963	unknown	66 to 78 yrs	Valid
485-58-####	1963	unknown	66 to 78 yrs	Valid
485-60-####	1964	unknown	65 to 77 yrs	Valid
485-62-####	1965	unknown	64 to 76 yrs	Valid
485-64-####	1965	unknown	64 to 76 yrs	Valid
485-66-####	1966	unknown	63 to 75 yrs	Valid
485-68-####	1967	unknown	62 to 74 yrs	Valid
485-70-####	1968	unknown	61 to 73 yrs	Valid
485-72-####	1969	unknown	60 to 72 yrs	Valid
485-74-####	1970	unknown	59 to 71 yrs	Valid
485-76-####	1971	unknown	58 to 70 yrs	Valid

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