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?
221-01-####	1936	1950	85 to 103 yrs	Valid
221-02-####	2004	2006	17 to 19 yrs	Valid
221-03-####	1936	1950	85 to 103 yrs	Valid
221-04-####	2006	2007	16 to 17 yrs	Valid
221-05-####	1936	1950	85 to 103 yrs	Valid
221-06-####	2007	2008	15 to 16 yrs	Valid
221-07-####	1936	1950	85 to 103 yrs	Valid
221-08-####	2008	2009	14 to 15 yrs	Valid
221-09-####	1936	1950	85 to 103 yrs	Valid
221-10-####	1936	1950	85 to 103 yrs	Valid
221-11-####	2009	2011	12 to 14 yrs	Valid
221-12-####	1936	1950	85 to 103 yrs	Valid
221-13-####	2011	unknown	4 to 12 yrs	Valid
221-14-####	1936	1950	85 to 103 yrs	Valid
221-16-####	1936	1950	85 to 103 yrs	Valid
221-18-####	1936	1950	85 to 103 yrs	Valid
221-20-####	1936	1950	85 to 103 yrs	Valid
221-22-####	1951	1953	82 to 88 yrs	Valid
221-24-####	1954	1955	80 to 85 yrs	Valid
221-26-####	1956	1958	77 to 83 yrs	Valid
221-28-####	1959	1960	75 to 80 yrs	Valid
221-30-####	1961	1962	73 to 78 yrs	Valid
221-32-####	1963	1964	71 to 76 yrs	Valid
221-34-####	1965	unknown	62 to 74 yrs	Valid
221-36-####	1966	unknown	61 to 73 yrs	Valid
221-38-####	1967	unknown	60 to 72 yrs	Valid
221-40-####	1968	1969	66 to 71 yrs	Valid
221-42-####	1970	unknown	57 to 69 yrs	Valid
221-44-####	1971	unknown	56 to 68 yrs	Valid
221-46-####	1972	unknown	55 to 67 yrs	Valid
221-48-####	1973	unknown	54 to 66 yrs	Valid
221-50-####	1973	unknown	54 to 66 yrs	Valid
221-52-####	1973	unknown	54 to 66 yrs	Valid
221-54-####	1974	unknown	53 to 65 yrs	Valid
221-56-####	1975	unknown	52 to 64 yrs	Valid
221-58-####	1975	unknown	52 to 64 yrs	Valid
221-60-####	1976	1979	56 to 63 yrs	Valid
221-62-####	1980	unknown	47 to 59 yrs	Valid
221-64-####	1981	1982	53 to 58 yrs	Valid
221-66-####	1983	unknown	44 to 56 yrs	Valid
221-68-####	1984	unknown	43 to 55 yrs	Valid
221-70-####	1985	1986	49 to 54 yrs	Valid
221-72-####	1987	unknown	40 to 52 yrs	Valid
221-74-####	1988	unknown	27 to 35 yrs	Valid
221-76-####	1988	unknown	27 to 35 yrs	Valid
221-78-####	1989	1992	31 to 34 yrs	Valid
221-80-####	1989	1992	31 to 34 yrs	Valid
221-82-####	1989	1992	31 to 34 yrs	Valid
221-84-####	1993	unknown	22 to 30 yrs	Valid
221-86-####	1994	unknown	21 to 29 yrs	Valid

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