Delaware Social Security Numbers

Social Security Numbers issued to Delaware fall between 221-##-#### and 222-##-####.

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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 >

Delaware SSNs by Year

Within the 221-##-#### to 222-##-#### 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?
221-88-####	1996	unknown	21 to 29 yrs	Valid
221-90-####	1997	1998	27 to 28 yrs	Valid
221-92-####	1999	unknown	18 to 26 yrs	Valid
221-94-####	2000	2002	23 to 25 yrs	Valid
221-96-####	2002	unknown	15 to 23 yrs	Valid
221-98-####	2003	2004	21 to 22 yrs	Valid
222-01-####	1936	1950	87 to 105 yrs	Valid
222-02-####	2005	2006	19 to 20 yrs	Valid
222-03-####	1936	1950	87 to 105 yrs	Valid
222-04-####	2006	2007	18 to 19 yrs	Valid
222-05-####	1936	1950	87 to 105 yrs	Valid
222-06-####	2007	2009	16 to 18 yrs	Valid
222-07-####	1936	1950	87 to 105 yrs	Valid
222-08-####	2009	2010	15 to 16 yrs	Valid
222-09-####	1936	1950	87 to 105 yrs	Valid
222-10-####	1936	1950	87 to 105 yrs	Valid
222-11-####	2010	2011	14 to 15 yrs	Valid
222-12-####	1936	1950	87 to 105 yrs	Valid
222-14-####	1936	1950	87 to 105 yrs	Valid
222-16-####	1936	1950	87 to 105 yrs	Valid
222-18-####	1936	1950	87 to 105 yrs	Valid
222-20-####	1951	1952	85 to 90 yrs	Valid
222-22-####	1953	1954	83 to 88 yrs	Valid
222-24-####	1955	1957	80 to 86 yrs	Valid
222-26-####	1958	1960	77 to 83 yrs	Valid
222-28-####	1961	1962	75 to 80 yrs	Valid
222-30-####	1963	unknown	66 to 78 yrs	Valid
222-32-####	1964	unknown	65 to 77 yrs	Valid
222-34-####	1965	1966	71 to 76 yrs	Valid
222-36-####	1967	unknown	62 to 74 yrs	Valid
222-38-####	1968	unknown	61 to 73 yrs	Valid
222-40-####	1969	unknown	60 to 72 yrs	Valid
222-42-####	1970	unknown	59 to 71 yrs	Valid
222-44-####	1971	unknown	58 to 70 yrs	Valid
222-46-####	1972	unknown	57 to 69 yrs	Valid
222-48-####	1973	unknown	56 to 68 yrs	Valid
222-50-####	1973	unknown	56 to 68 yrs	Valid
222-52-####	1973	unknown	56 to 68 yrs	Valid
222-54-####	1974	unknown	55 to 67 yrs	Valid
222-56-####	1975	unknown	54 to 66 yrs	Valid
222-58-####	1976	unknown	53 to 65 yrs	Valid
222-60-####	1977	1979	58 to 64 yrs	Valid
222-62-####	1980	1981	56 to 61 yrs	Valid
222-64-####	1982	unknown	47 to 59 yrs	Valid
222-66-####	1983	1984	53 to 58 yrs	Valid
222-68-####	1985	unknown	44 to 56 yrs	Valid
222-70-####	1986	unknown	43 to 55 yrs	Valid
222-72-####	1987	unknown	42 to 54 yrs	Valid
222-74-####	1988	unknown	29 to 37 yrs	Valid
222-76-####	1989	1992	33 to 36 yrs	Valid

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