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	32 to 35 yrs	Valid
222-80-####	1989	1992	32 to 35 yrs	Valid
222-82-####	1989	1992	32 to 35 yrs	Valid
222-84-####	1994	unknown	22 to 30 yrs	Valid
222-86-####	1995	unknown	21 to 29 yrs	Valid
222-88-####	1997	1998	26 to 27 yrs	Valid
222-90-####	1998	2000	24 to 26 yrs	Valid
222-92-####	2000	unknown	16 to 24 yrs	Valid
222-94-####	2001	2002	22 to 23 yrs	Valid
222-96-####	2003	2004	20 to 21 yrs	Valid
222-98-####	2004	2005	19 to 20 yrs	Valid

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