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?
548-04-####	1970	unknown	59 to 71 yrs	Valid
548-05-####	1936	1950	87 to 105 yrs	Valid
548-06-####	1971	unknown	58 to 70 yrs	Valid
548-07-####	1936	1950	87 to 105 yrs	Valid
548-08-####	1971	unknown	58 to 70 yrs	Valid
548-09-####	1936	1950	87 to 105 yrs	Valid
548-10-####	1936	1950	87 to 105 yrs	Valid
548-11-####	1971	unknown	58 to 70 yrs	Valid
548-12-####	1936	1950	87 to 105 yrs	Valid
548-13-####	1972	unknown	57 to 69 yrs	Valid
548-14-####	1936	1950	87 to 105 yrs	Valid
548-15-####	1972	unknown	57 to 69 yrs	Valid
548-16-####	1936	1950	87 to 105 yrs	Valid
548-17-####	1972	unknown	57 to 69 yrs	Valid
548-18-####	1936	1950	87 to 105 yrs	Valid
548-19-####	1972	unknown	57 to 69 yrs	Valid
548-20-####	1936	1950	87 to 105 yrs	Valid
548-21-####	1973	unknown	56 to 68 yrs	Valid
548-22-####	1936	1950	87 to 105 yrs	Valid
548-23-####	1973	unknown	56 to 68 yrs	Valid
548-24-####	1936	1950	87 to 105 yrs	Valid
548-25-####	1973	unknown	56 to 68 yrs	Valid
548-26-####	1936	1950	87 to 105 yrs	Valid
548-27-####	1973	unknown	56 to 68 yrs	Valid
548-28-####	1936	1950	87 to 105 yrs	Valid
548-29-####	1974	unknown	55 to 67 yrs	Valid
548-30-####	1936	1950	87 to 105 yrs	Valid
548-31-####	1974	unknown	55 to 67 yrs	Valid
548-32-####	1936	1950	87 to 105 yrs	Valid
548-33-####	1974	unknown	55 to 67 yrs	Valid
548-34-####	1936	1950	87 to 105 yrs	Valid
548-35-####	1975	unknown	54 to 66 yrs	Valid
548-36-####	1936	1950	87 to 105 yrs	Valid
548-37-####	1975	unknown	54 to 66 yrs	Valid
548-38-####	1936	1950	87 to 105 yrs	Valid
548-39-####	1975	unknown	54 to 66 yrs	Valid
548-40-####	1936	1950	87 to 105 yrs	Valid
548-41-####	1976	unknown	53 to 65 yrs	Valid
548-42-####	1936	1950	87 to 105 yrs	Valid
548-43-####	1976	unknown	53 to 65 yrs	Valid
548-44-####	1936	1950	87 to 105 yrs	Valid
548-45-####	1976	unknown	53 to 65 yrs	Valid
548-46-####	1951	1952	85 to 90 yrs	Valid
548-47-####	1977	unknown	52 to 64 yrs	Valid
548-48-####	1953	unknown	76 to 88 yrs	Valid
548-49-####	1977	unknown	52 to 64 yrs	Valid
548-50-####	1954	unknown	75 to 87 yrs	Valid
548-51-####	1978	unknown	51 to 63 yrs	Valid
548-52-####	1955	unknown	74 to 86 yrs	Valid
548-53-####	1978	unknown	51 to 63 yrs	Valid

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