Iowa Social Security Numbers

Social Security Numbers issued to Iowa fall between 478-##-#### and 485-##-####.

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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?
485-78-####	1972	unknown	56 to 68 yrs	Valid
485-80-####	1973	unknown	55 to 67 yrs	Valid
485-82-####	1973	unknown	55 to 67 yrs	Valid
485-84-####	1974	unknown	54 to 66 yrs	Valid
485-86-####	1975	unknown	53 to 65 yrs	Valid
485-88-####	1975	1976	60 to 65 yrs	Valid
485-90-####	1977	unknown	51 to 63 yrs	Valid
485-92-####	1977	unknown	51 to 63 yrs	Valid
485-94-####	1978	1979	57 to 62 yrs	Valid
485-96-####	1980	unknown	48 to 60 yrs	Valid
485-98-####	1981	1982	54 to 59 yrs	Valid

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