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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	87 to 105 yrs	Valid
531-02-####	1986	unknown	43 to 55 yrs	Valid
531-03-####	1936	1950	87 to 105 yrs	Valid
531-04-####	1987	unknown	42 to 54 yrs	Valid
531-05-####	1936	1950	87 to 105 yrs	Valid
531-06-####	1987	unknown	42 to 54 yrs	Valid
531-07-####	1936	1950	87 to 105 yrs	Valid
531-08-####	1987	unknown	42 to 54 yrs	Valid
531-09-####	1936	1950	87 to 105 yrs	Valid
531-10-####	1936	1950	87 to 105 yrs	Valid
531-11-####	1988	unknown	29 to 37 yrs	Valid
531-12-####	1936	1950	87 to 105 yrs	Valid
531-13-####	1988	unknown	29 to 37 yrs	Valid
531-14-####	1936	1950	87 to 105 yrs	Valid
531-15-####	1989	1992	33 to 36 yrs	Valid
531-16-####	1936	1950	87 to 105 yrs	Valid
531-17-####	1989	1992	33 to 36 yrs	Valid
531-18-####	1936	1950	87 to 105 yrs	Valid
531-19-####	1989	1992	33 to 36 yrs	Valid
531-20-####	1936	1950	87 to 105 yrs	Valid
531-21-####	1989	1992	33 to 36 yrs	Valid
531-22-####	1936	1950	87 to 105 yrs	Valid
531-23-####	1989	1992	33 to 36 yrs	Valid
531-24-####	1936	1950	87 to 105 yrs	Valid
531-25-####	1989	1992	33 to 36 yrs	Valid
531-26-####	1936	1950	87 to 105 yrs	Valid
531-27-####	1993	unknown	24 to 32 yrs	Valid
531-28-####	1936	1950	87 to 105 yrs	Valid
531-29-####	1993	unknown	24 to 32 yrs	Valid
531-30-####	1936	1950	87 to 105 yrs	Valid
531-31-####	1994	unknown	23 to 31 yrs	Valid
531-32-####	1951	unknown	78 to 90 yrs	Valid
531-33-####	1995	unknown	22 to 30 yrs	Valid
531-34-####	1952	1954	83 to 89 yrs	Valid
531-35-####	1995	unknown	22 to 30 yrs	Valid
531-36-####	1955	unknown	74 to 86 yrs	Valid
531-37-####	1996	unknown	21 to 29 yrs	Valid
531-38-####	1955	1956	81 to 86 yrs	Valid
531-39-####	1997	1998	27 to 28 yrs	Valid
531-40-####	1957	1959	78 to 84 yrs	Valid
531-41-####	1998	unknown	19 to 27 yrs	Valid
531-42-####	1960	unknown	69 to 81 yrs	Valid
531-43-####	1999	unknown	18 to 26 yrs	Valid
531-44-####	1961	1962	75 to 80 yrs	Valid
531-45-####	2000	unknown	17 to 25 yrs	Valid
531-46-####	1963	unknown	66 to 78 yrs	Valid
531-47-####	2000	2001	24 to 25 yrs	Valid
531-48-####	1963	unknown	66 to 78 yrs	Valid
531-49-####	2001	2002	23 to 24 yrs	Valid
531-50-####	1964	unknown	65 to 77 yrs	Valid

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