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	88 to 106 yrs	Valid
531-02-####	1986	unknown	44 to 56 yrs	Valid
531-03-####	1936	1950	88 to 106 yrs	Valid
531-04-####	1987	unknown	43 to 55 yrs	Valid
531-05-####	1936	1950	88 to 106 yrs	Valid
531-06-####	1987	unknown	43 to 55 yrs	Valid
531-07-####	1936	1950	88 to 106 yrs	Valid
531-08-####	1987	unknown	43 to 55 yrs	Valid
531-09-####	1936	1950	88 to 106 yrs	Valid
531-10-####	1936	1950	88 to 106 yrs	Valid
531-11-####	1988	unknown	30 to 38 yrs	Valid
531-12-####	1936	1950	88 to 106 yrs	Valid
531-13-####	1988	unknown	30 to 38 yrs	Valid
531-14-####	1936	1950	88 to 106 yrs	Valid
531-15-####	1989	1992	34 to 37 yrs	Valid
531-16-####	1936	1950	88 to 106 yrs	Valid
531-17-####	1989	1992	34 to 37 yrs	Valid
531-18-####	1936	1950	88 to 106 yrs	Valid
531-19-####	1989	1992	34 to 37 yrs	Valid
531-20-####	1936	1950	88 to 106 yrs	Valid
531-21-####	1989	1992	34 to 37 yrs	Valid
531-22-####	1936	1950	88 to 106 yrs	Valid
531-23-####	1989	1992	34 to 37 yrs	Valid
531-24-####	1936	1950	88 to 106 yrs	Valid
531-25-####	1989	1992	34 to 37 yrs	Valid
531-26-####	1936	1950	88 to 106 yrs	Valid
531-27-####	1993	unknown	25 to 33 yrs	Valid
531-28-####	1936	1950	88 to 106 yrs	Valid
531-29-####	1993	unknown	25 to 33 yrs	Valid
531-30-####	1936	1950	88 to 106 yrs	Valid
531-31-####	1994	unknown	24 to 32 yrs	Valid
531-32-####	1951	unknown	79 to 91 yrs	Valid
531-33-####	1995	unknown	23 to 31 yrs	Valid
531-34-####	1952	1954	84 to 90 yrs	Valid
531-35-####	1995	unknown	23 to 31 yrs	Valid
531-36-####	1955	unknown	75 to 87 yrs	Valid
531-37-####	1996	unknown	22 to 30 yrs	Valid
531-38-####	1955	1956	82 to 87 yrs	Valid
531-39-####	1997	1998	28 to 29 yrs	Valid
531-40-####	1957	1959	79 to 85 yrs	Valid
531-41-####	1998	unknown	20 to 28 yrs	Valid
531-42-####	1960	unknown	70 to 82 yrs	Valid
531-43-####	1999	unknown	19 to 27 yrs	Valid
531-44-####	1961	1962	76 to 81 yrs	Valid
531-45-####	2000	unknown	18 to 26 yrs	Valid
531-46-####	1963	unknown	67 to 79 yrs	Valid
531-47-####	2000	2001	25 to 26 yrs	Valid
531-48-####	1963	unknown	67 to 79 yrs	Valid
531-49-####	2001	2002	24 to 25 yrs	Valid
531-50-####	1964	unknown	66 to 78 yrs	Valid

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