California Social Security Numbers

Social Security Numbers issued to California fall between 545-##-#### and 626-##-####.

Use the SSN Search Tool to check individual Social Security Numbers.

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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 >

California SSNs by Year

Within the 545-##-#### to 626-##-#### 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?
623-30-####	1989	1992	32 to 35 yrs	Valid
623-31-####	2002	unknown	14 to 22 yrs	Valid
623-32-####	1989	1992	32 to 35 yrs	Valid
623-33-####	2002	unknown	14 to 22 yrs	Valid
623-34-####	1989	1992	32 to 35 yrs	Valid
623-35-####	2003	unknown	13 to 21 yrs	Valid
623-36-####	1989	1992	32 to 35 yrs	Valid
623-37-####	2003	unknown	13 to 21 yrs	Valid
623-38-####	1989	1992	32 to 35 yrs	Valid
623-39-####	2003	unknown	13 to 21 yrs	Valid
623-40-####	1989	1992	32 to 35 yrs	Valid
623-41-####	2003	2004	20 to 21 yrs	Valid
623-42-####	1989	1992	32 to 35 yrs	Valid
623-43-####	2004	unknown	12 to 20 yrs	Valid
623-44-####	1989	1992	32 to 35 yrs	Valid
623-45-####	2004	unknown	12 to 20 yrs	Valid
623-46-####	1989	1992	32 to 35 yrs	Valid
623-47-####	2004	2005	19 to 20 yrs	Valid
623-48-####	1989	1992	32 to 35 yrs	Valid
623-49-####	2005	unknown	11 to 19 yrs	Valid
623-50-####	1989	1992	32 to 35 yrs	Valid
623-51-####	2005	unknown	11 to 19 yrs	Valid
623-52-####	1989	1992	32 to 35 yrs	Valid
623-53-####	2005	2006	18 to 19 yrs	Valid
623-54-####	1989	1992	32 to 35 yrs	Valid
623-55-####	2006	unknown	10 to 18 yrs	Valid
623-56-####	1989	1992	32 to 35 yrs	Valid
623-57-####	2006	unknown	10 to 18 yrs	Valid
623-58-####	1989	1992	32 to 35 yrs	Valid
623-59-####	2006	2007	17 to 18 yrs	Valid
623-60-####	1993	unknown	23 to 31 yrs	Valid
623-61-####	2007	unknown	9 to 17 yrs	Valid
623-62-####	1993	unknown	23 to 31 yrs	Valid
623-63-####	2007	unknown	9 to 17 yrs	Valid
623-64-####	1993	unknown	23 to 31 yrs	Valid
623-65-####	2007	2008	16 to 17 yrs	Valid
623-66-####	1993	unknown	23 to 31 yrs	Valid
623-67-####	2008	unknown	8 to 16 yrs	Valid
623-68-####	1994	unknown	22 to 30 yrs	Valid
623-69-####	2008	unknown	8 to 16 yrs	Valid
623-70-####	1994	unknown	22 to 30 yrs	Valid
623-71-####	2008	2009	15 to 16 yrs	Valid
623-72-####	1994	unknown	22 to 30 yrs	Valid
623-73-####	2009	unknown	7 to 15 yrs	Valid
623-74-####	1994	unknown	22 to 30 yrs	Valid
623-75-####	2009	unknown	7 to 15 yrs	Valid
623-76-####	1994	unknown	22 to 30 yrs	Valid
623-77-####	2009	2010	14 to 15 yrs	Valid
623-78-####	1995	unknown	21 to 29 yrs	Valid
623-79-####	2010	unknown	6 to 14 yrs	Valid

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