Connecticut Social Security Numbers

Social Security Numbers issued to Connecticut fall between 040-##-#### and 049-##-####.

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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 >

Connecticut SSNs by Year

Within the 040-##-#### to 049-##-#### 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?
040-01-####	1936	1950	85 to 103 yrs	Valid
040-02-####	1999	2000	23 to 24 yrs	Valid
040-03-####	1936	1950	85 to 103 yrs	Valid
040-04-####	2001	2003	20 to 22 yrs	Valid
040-05-####	1936	1950	85 to 103 yrs	Valid
040-06-####	2003	2004	19 to 20 yrs	Valid
040-07-####	1936	1950	85 to 103 yrs	Valid
040-08-####	2004	2006	17 to 19 yrs	Valid
040-09-####	1936	1950	85 to 103 yrs	Valid
040-10-####	1936	1950	85 to 103 yrs	Valid
040-11-####	2006	2007	16 to 17 yrs	Valid
040-12-####	1936	1950	85 to 103 yrs	Valid
040-13-####	2007	2009	14 to 16 yrs	Valid
040-14-####	1936	1950	85 to 103 yrs	Valid
040-15-####	2009	2011	12 to 14 yrs	Valid
040-16-####	1936	1950	85 to 103 yrs	Valid
040-18-####	1936	1950	85 to 103 yrs	Valid
040-20-####	1936	1950	85 to 103 yrs	Valid
040-22-####	1936	1950	85 to 103 yrs	Valid
040-24-####	1936	1950	85 to 103 yrs	Valid
040-26-####	1936	1950	85 to 103 yrs	Valid
040-28-####	1951	1952	83 to 88 yrs	Valid
040-30-####	1953	1955	80 to 86 yrs	Valid
040-32-####	1956	1957	78 to 83 yrs	Valid
040-34-####	1958	1960	75 to 81 yrs	Valid
040-36-####	1961	unknown	66 to 78 yrs	Valid
040-38-####	1962	unknown	65 to 77 yrs	Valid
040-40-####	1963	unknown	64 to 76 yrs	Valid
040-42-####	1963	1964	71 to 76 yrs	Valid
040-44-####	1965	unknown	62 to 74 yrs	Valid
040-46-####	1966	unknown	61 to 73 yrs	Valid
040-48-####	1967	1968	67 to 72 yrs	Valid
040-50-####	1969	unknown	58 to 70 yrs	Valid
040-52-####	1970	unknown	57 to 69 yrs	Valid
040-54-####	1971	unknown	56 to 68 yrs	Valid
040-56-####	1972	1977	58 to 67 yrs	Valid
040-58-####	1973	1977	58 to 66 yrs	Valid
040-60-####	1973	1977	58 to 66 yrs	Valid
040-62-####	1974	1977	58 to 65 yrs	Valid
040-64-####	1975	1977	58 to 64 yrs	Valid
040-66-####	1976	1977	58 to 63 yrs	Valid
040-68-####	1976	1978	57 to 63 yrs	Valid
040-70-####	1979	unknown	48 to 60 yrs	Valid
040-72-####	1980	1981	54 to 59 yrs	Valid
040-74-####	1982	unknown	45 to 57 yrs	Valid
040-76-####	1983	1984	51 to 56 yrs	Valid
040-78-####	1985	unknown	42 to 54 yrs	Valid
040-80-####	1986	unknown	41 to 53 yrs	Valid
040-82-####	1987	unknown	40 to 52 yrs	Valid
040-84-####	1988	unknown	27 to 35 yrs	Valid

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