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?
478-58-####	1963	unknown	67 to 79 yrs	Valid
478-60-####	1963	unknown	67 to 79 yrs	Valid
478-62-####	1963	1964	74 to 79 yrs	Valid
478-64-####	1965	unknown	65 to 77 yrs	Valid
478-66-####	1965	unknown	65 to 77 yrs	Valid
478-68-####	1966	unknown	64 to 76 yrs	Valid
478-70-####	1967	unknown	63 to 75 yrs	Valid
478-72-####	1968	unknown	62 to 74 yrs	Valid
478-74-####	1969	unknown	61 to 73 yrs	Valid
478-76-####	1970	unknown	60 to 72 yrs	Valid
478-78-####	1971	1972	66 to 71 yrs	Valid
478-80-####	1973	unknown	57 to 69 yrs	Valid
478-82-####	1973	unknown	57 to 69 yrs	Valid
478-84-####	1973	unknown	57 to 69 yrs	Valid
478-86-####	1974	unknown	56 to 68 yrs	Valid
478-88-####	1975	1976	62 to 67 yrs	Valid
478-90-####	1977	unknown	53 to 65 yrs	Valid
478-92-####	1977	unknown	53 to 65 yrs	Valid
478-94-####	1977	1978	60 to 65 yrs	Valid
478-96-####	1979	unknown	51 to 63 yrs	Valid
478-98-####	1980	unknown	50 to 62 yrs	Valid
479-01-####	1936	1950	88 to 106 yrs	Valid
479-02-####	1982	unknown	48 to 60 yrs	Valid
479-03-####	1936	1950	88 to 106 yrs	Valid
479-04-####	1983	unknown	47 to 59 yrs	Valid
479-05-####	1936	1950	88 to 106 yrs	Valid
479-06-####	1984	unknown	46 to 58 yrs	Valid
479-07-####	1936	1950	88 to 106 yrs	Valid
479-08-####	1985	1986	52 to 57 yrs	Valid
479-09-####	1936	1950	88 to 106 yrs	Valid
479-10-####	1936	1950	88 to 106 yrs	Valid
479-11-####	1987	unknown	43 to 55 yrs	Valid
479-12-####	1936	1950	88 to 106 yrs	Valid
479-13-####	1987	unknown	43 to 55 yrs	Valid
479-14-####	1936	1950	88 to 106 yrs	Valid
479-15-####	1988	unknown	30 to 38 yrs	Valid
479-16-####	1936	1950	88 to 106 yrs	Valid
479-17-####	1989	1992	34 to 37 yrs	Valid
479-18-####	1936	1950	88 to 106 yrs	Valid
479-19-####	1989	1992	34 to 37 yrs	Valid
479-20-####	1936	1950	88 to 106 yrs	Valid
479-21-####	1989	1992	34 to 37 yrs	Valid
479-22-####	1936	1950	88 to 106 yrs	Valid
479-23-####	1994	unknown	24 to 32 yrs	Valid
479-24-####	1936	1950	88 to 106 yrs	Valid
479-25-####	1995	unknown	23 to 31 yrs	Valid
479-26-####	1936	1950	88 to 106 yrs	Valid
479-27-####	1997	1998	28 to 29 yrs	Valid
479-28-####	1936	1950	88 to 106 yrs	Valid
479-29-####	1999	unknown	19 to 27 yrs	Valid

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