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?
555-11-####	1971	unknown	58 to 70 yrs	Valid
555-12-####	1936	1950	87 to 105 yrs	Valid
555-13-####	1972	unknown	57 to 69 yrs	Valid
555-14-####	1936	1950	87 to 105 yrs	Valid
555-15-####	1972	unknown	57 to 69 yrs	Valid
555-16-####	1936	1950	87 to 105 yrs	Valid
555-17-####	1972	unknown	57 to 69 yrs	Valid
555-18-####	1936	1950	87 to 105 yrs	Valid
555-19-####	1972	unknown	57 to 69 yrs	Valid
555-20-####	1936	1950	87 to 105 yrs	Valid
555-21-####	1973	unknown	56 to 68 yrs	Valid
555-22-####	1936	1950	87 to 105 yrs	Valid
555-23-####	1973	unknown	56 to 68 yrs	Valid
555-24-####	1936	1950	87 to 105 yrs	Valid
555-25-####	1973	unknown	56 to 68 yrs	Valid
555-26-####	1936	1950	87 to 105 yrs	Valid
555-27-####	1973	unknown	56 to 68 yrs	Valid
555-28-####	1936	1950	87 to 105 yrs	Valid
555-29-####	1974	unknown	55 to 67 yrs	Valid
555-30-####	1936	1950	87 to 105 yrs	Valid
555-31-####	1974	unknown	55 to 67 yrs	Valid
555-32-####	1936	1950	87 to 105 yrs	Valid
555-33-####	1974	unknown	55 to 67 yrs	Valid
555-34-####	1936	1950	87 to 105 yrs	Valid
555-35-####	1975	unknown	54 to 66 yrs	Valid
555-36-####	1936	1950	87 to 105 yrs	Valid
555-37-####	1975	unknown	54 to 66 yrs	Valid
555-38-####	1936	1950	87 to 105 yrs	Valid
555-39-####	1976	unknown	53 to 65 yrs	Valid
555-40-####	1936	1950	87 to 105 yrs	Valid
555-41-####	1976	unknown	53 to 65 yrs	Valid
555-42-####	1936	1950	87 to 105 yrs	Valid
555-43-####	1976	unknown	53 to 65 yrs	Valid
555-44-####	1951	unknown	78 to 90 yrs	Valid
555-45-####	1977	unknown	52 to 64 yrs	Valid
555-46-####	1952	unknown	77 to 89 yrs	Valid
555-47-####	1977	unknown	52 to 64 yrs	Valid
555-48-####	1953	unknown	76 to 88 yrs	Valid
555-49-####	1977	unknown	52 to 64 yrs	Valid
555-50-####	1954	unknown	75 to 87 yrs	Valid
555-51-####	1978	unknown	51 to 63 yrs	Valid
555-52-####	1955	unknown	74 to 86 yrs	Valid
555-53-####	1978	unknown	51 to 63 yrs	Valid
555-54-####	1956	unknown	73 to 85 yrs	Valid
555-55-####	1979	unknown	50 to 62 yrs	Valid
555-56-####	1957	1958	79 to 84 yrs	Valid
555-57-####	1979	unknown	50 to 62 yrs	Valid
555-58-####	1959	unknown	70 to 82 yrs	Valid
555-59-####	1980	unknown	49 to 61 yrs	Valid
555-60-####	1960	unknown	69 to 81 yrs	Valid

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