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?
222-78-####	1989	1992	33 to 36 yrs	Valid
222-80-####	1989	1992	33 to 36 yrs	Valid
222-82-####	1989	1992	33 to 36 yrs	Valid
222-84-####	1994	unknown	23 to 31 yrs	Valid
222-86-####	1995	unknown	22 to 30 yrs	Valid
222-88-####	1997	1998	27 to 28 yrs	Valid
222-90-####	1998	2000	25 to 27 yrs	Valid
222-92-####	2000	unknown	17 to 25 yrs	Valid
222-94-####	2001	2002	23 to 24 yrs	Valid
222-96-####	2003	2004	21 to 22 yrs	Valid
222-98-####	2004	2005	20 to 21 yrs	Valid

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