Washington Social Security Numbers

Social Security Numbers issued to Washington fall between 531-##-#### and 539-##-####.

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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 >

Washington SSNs by Year

Within the 531-##-#### to 539-##-#### 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?
531-01-####	1936	1950	85 to 103 yrs	Valid
531-02-####	1986	unknown	41 to 53 yrs	Valid
531-03-####	1936	1950	85 to 103 yrs	Valid
531-04-####	1987	unknown	40 to 52 yrs	Valid
531-05-####	1936	1950	85 to 103 yrs	Valid
531-06-####	1987	unknown	40 to 52 yrs	Valid
531-07-####	1936	1950	85 to 103 yrs	Valid
531-08-####	1987	unknown	40 to 52 yrs	Valid
531-09-####	1936	1950	85 to 103 yrs	Valid
531-10-####	1936	1950	85 to 103 yrs	Valid
531-11-####	1988	unknown	27 to 35 yrs	Valid
531-12-####	1936	1950	85 to 103 yrs	Valid
531-13-####	1988	unknown	27 to 35 yrs	Valid
531-14-####	1936	1950	85 to 103 yrs	Valid
531-15-####	1989	1992	31 to 34 yrs	Valid
531-16-####	1936	1950	85 to 103 yrs	Valid
531-17-####	1989	1992	31 to 34 yrs	Valid
531-18-####	1936	1950	85 to 103 yrs	Valid
531-19-####	1989	1992	31 to 34 yrs	Valid
531-20-####	1936	1950	85 to 103 yrs	Valid
531-21-####	1989	1992	31 to 34 yrs	Valid
531-22-####	1936	1950	85 to 103 yrs	Valid
531-23-####	1989	1992	31 to 34 yrs	Valid
531-24-####	1936	1950	85 to 103 yrs	Valid
531-25-####	1989	1992	31 to 34 yrs	Valid
531-26-####	1936	1950	85 to 103 yrs	Valid
531-27-####	1993	unknown	22 to 30 yrs	Valid
531-28-####	1936	1950	85 to 103 yrs	Valid
531-29-####	1993	unknown	22 to 30 yrs	Valid
531-30-####	1936	1950	85 to 103 yrs	Valid
531-31-####	1994	unknown	21 to 29 yrs	Valid
531-32-####	1951	unknown	76 to 88 yrs	Valid
531-33-####	1995	unknown	20 to 28 yrs	Valid
531-34-####	1952	1954	81 to 87 yrs	Valid
531-35-####	1995	unknown	20 to 28 yrs	Valid
531-36-####	1955	unknown	72 to 84 yrs	Valid
531-37-####	1996	unknown	19 to 27 yrs	Valid
531-38-####	1955	1956	79 to 84 yrs	Valid
531-39-####	1997	1998	25 to 26 yrs	Valid
531-40-####	1957	1959	76 to 82 yrs	Valid
531-41-####	1998	unknown	17 to 25 yrs	Valid
531-42-####	1960	unknown	67 to 79 yrs	Valid
531-43-####	1999	unknown	16 to 24 yrs	Valid
531-44-####	1961	1962	73 to 78 yrs	Valid
531-45-####	2000	unknown	15 to 23 yrs	Valid
531-46-####	1963	unknown	64 to 76 yrs	Valid
531-47-####	2000	2001	22 to 23 yrs	Valid
531-48-####	1963	unknown	64 to 76 yrs	Valid
531-49-####	2001	2002	21 to 22 yrs	Valid
531-50-####	1964	unknown	63 to 75 yrs	Valid

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