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?
621-14-####	1988	unknown	28 to 36 yrs	Valid
621-15-####	1999	2000	24 to 25 yrs	Valid
621-16-####	1988	unknown	28 to 36 yrs	Valid
621-17-####	2000	unknown	16 to 24 yrs	Valid
621-18-####	1988	unknown	28 to 36 yrs	Valid
621-19-####	2000	unknown	16 to 24 yrs	Valid
621-20-####	1989	1992	32 to 35 yrs	Valid
621-21-####	2000	2001	23 to 24 yrs	Valid
621-22-####	1989	1992	32 to 35 yrs	Valid
621-23-####	2001	unknown	15 to 23 yrs	Valid
621-24-####	1989	1992	32 to 35 yrs	Valid
621-25-####	2001	unknown	15 to 23 yrs	Valid
621-26-####	1989	1992	32 to 35 yrs	Valid
621-27-####	2001	unknown	15 to 23 yrs	Valid
621-28-####	1989	1992	32 to 35 yrs	Valid
621-29-####	2001	2002	22 to 23 yrs	Valid
621-30-####	1989	1992	32 to 35 yrs	Valid
621-31-####	2002	unknown	14 to 22 yrs	Valid
621-32-####	1989	1992	32 to 35 yrs	Valid
621-33-####	2002	unknown	14 to 22 yrs	Valid
621-34-####	1989	1992	32 to 35 yrs	Valid
621-35-####	2003	unknown	13 to 21 yrs	Valid
621-36-####	1989	1992	32 to 35 yrs	Valid
621-37-####	2003	unknown	13 to 21 yrs	Valid
621-38-####	1989	1992	32 to 35 yrs	Valid
621-39-####	2003	unknown	13 to 21 yrs	Valid
621-40-####	1989	1992	32 to 35 yrs	Valid
621-41-####	2003	2004	20 to 21 yrs	Valid
621-42-####	1989	1992	32 to 35 yrs	Valid
621-43-####	2004	unknown	12 to 20 yrs	Valid
621-44-####	1989	1992	32 to 35 yrs	Valid
621-45-####	2004	unknown	12 to 20 yrs	Valid
621-46-####	1989	1992	32 to 35 yrs	Valid
621-47-####	2004	2005	19 to 20 yrs	Valid
621-48-####	1989	1992	32 to 35 yrs	Valid
621-49-####	2005	unknown	11 to 19 yrs	Valid
621-50-####	1989	1992	32 to 35 yrs	Valid
621-51-####	2005	unknown	11 to 19 yrs	Valid
621-52-####	1989	1992	32 to 35 yrs	Valid
621-53-####	2005	2006	18 to 19 yrs	Valid
621-54-####	1989	1992	32 to 35 yrs	Valid
621-55-####	2006	unknown	10 to 18 yrs	Valid
621-56-####	1989	1992	32 to 35 yrs	Valid
621-57-####	2006	unknown	10 to 18 yrs	Valid
621-58-####	1989	1992	32 to 35 yrs	Valid
621-59-####	2006	2007	17 to 18 yrs	Valid
621-60-####	1993	unknown	23 to 31 yrs	Valid
621-61-####	2007	unknown	9 to 17 yrs	Valid
621-62-####	1993	unknown	23 to 31 yrs	Valid
621-63-####	2007	unknown	9 to 17 yrs	Valid

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