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?
480-78-####	1972	unknown	56 to 68 yrs	Valid
480-80-####	1973	unknown	55 to 67 yrs	Valid
480-82-####	1973	unknown	55 to 67 yrs	Valid
480-84-####	1974	unknown	54 to 66 yrs	Valid
480-86-####	1974	unknown	54 to 66 yrs	Valid
480-88-####	1975	1976	60 to 65 yrs	Valid
480-90-####	1977	unknown	51 to 63 yrs	Valid
480-92-####	1977	unknown	51 to 63 yrs	Valid
480-94-####	1977	1978	58 to 63 yrs	Valid
480-96-####	1979	unknown	49 to 61 yrs	Valid
480-98-####	1980	1981	55 to 60 yrs	Valid
481-01-####	1936	1950	86 to 104 yrs	Valid
481-02-####	1982	unknown	46 to 58 yrs	Valid
481-03-####	1936	1950	86 to 104 yrs	Valid
481-04-####	1983	unknown	45 to 57 yrs	Valid
481-05-####	1936	1950	86 to 104 yrs	Valid
481-06-####	1984	1985	51 to 56 yrs	Valid
481-07-####	1936	1950	86 to 104 yrs	Valid
481-08-####	1986	unknown	42 to 54 yrs	Valid
481-09-####	1936	1950	86 to 104 yrs	Valid
481-10-####	1936	1950	86 to 104 yrs	Valid
481-11-####	1987	unknown	41 to 53 yrs	Valid
481-12-####	1936	1950	86 to 104 yrs	Valid
481-13-####	1987	unknown	41 to 53 yrs	Valid
481-14-####	1936	1950	86 to 104 yrs	Valid
481-15-####	1988	unknown	28 to 36 yrs	Valid
481-16-####	1936	1950	86 to 104 yrs	Valid
481-17-####	1989	1992	32 to 35 yrs	Valid
481-18-####	1936	1950	86 to 104 yrs	Valid
481-19-####	1989	1992	32 to 35 yrs	Valid
481-20-####	1936	1950	86 to 104 yrs	Valid
481-21-####	1989	1992	32 to 35 yrs	Valid
481-22-####	1936	1950	86 to 104 yrs	Valid
481-23-####	1994	unknown	22 to 30 yrs	Valid
481-24-####	1936	1950	86 to 104 yrs	Valid
481-25-####	1996	unknown	20 to 28 yrs	Valid
481-26-####	1936	1950	86 to 104 yrs	Valid
481-27-####	1997	1998	26 to 27 yrs	Valid
481-28-####	1936	1950	86 to 104 yrs	Valid
481-29-####	1999	unknown	17 to 25 yrs	Valid
481-30-####	1936	1950	86 to 104 yrs	Valid
481-31-####	2001	unknown	15 to 23 yrs	Valid
481-32-####	1936	1950	86 to 104 yrs	Valid
481-33-####	2003	2005	19 to 21 yrs	Valid
481-34-####	1936	1950	86 to 104 yrs	Valid
481-35-####	2005	2006	18 to 19 yrs	Valid
481-36-####	1936	1950	86 to 104 yrs	Valid
481-37-####	2006	2008	16 to 18 yrs	Valid
481-38-####	1951	1952	84 to 89 yrs	Valid
481-39-####	2008	2010	14 to 16 yrs	Valid

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