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	88 to 106 yrs	Valid
040-02-####	1999	2000	26 to 27 yrs	Valid
040-03-####	1936	1950	88 to 106 yrs	Valid
040-04-####	2001	2003	23 to 25 yrs	Valid
040-05-####	1936	1950	88 to 106 yrs	Valid
040-06-####	2003	2004	22 to 23 yrs	Valid
040-07-####	1936	1950	88 to 106 yrs	Valid
040-08-####	2004	2006	20 to 22 yrs	Valid
040-09-####	1936	1950	88 to 106 yrs	Valid
040-10-####	1936	1950	88 to 106 yrs	Valid
040-11-####	2006	2007	19 to 20 yrs	Valid
040-12-####	1936	1950	88 to 106 yrs	Valid
040-13-####	2007	2009	17 to 19 yrs	Valid
040-14-####	1936	1950	88 to 106 yrs	Valid
040-15-####	2009	2011	15 to 17 yrs	Valid
040-16-####	1936	1950	88 to 106 yrs	Valid
040-18-####	1936	1950	88 to 106 yrs	Valid
040-20-####	1936	1950	88 to 106 yrs	Valid
040-22-####	1936	1950	88 to 106 yrs	Valid
040-24-####	1936	1950	88 to 106 yrs	Valid
040-26-####	1936	1950	88 to 106 yrs	Valid
040-28-####	1951	1952	86 to 91 yrs	Valid
040-30-####	1953	1955	83 to 89 yrs	Valid
040-32-####	1956	1957	81 to 86 yrs	Valid
040-34-####	1958	1960	78 to 84 yrs	Valid
040-36-####	1961	unknown	69 to 81 yrs	Valid
040-38-####	1962	unknown	68 to 80 yrs	Valid
040-40-####	1963	unknown	67 to 79 yrs	Valid
040-42-####	1963	1964	74 to 79 yrs	Valid
040-44-####	1965	unknown	65 to 77 yrs	Valid
040-46-####	1966	unknown	64 to 76 yrs	Valid
040-48-####	1967	1968	70 to 75 yrs	Valid
040-50-####	1969	unknown	61 to 73 yrs	Valid
040-52-####	1970	unknown	60 to 72 yrs	Valid
040-54-####	1971	unknown	59 to 71 yrs	Valid
040-56-####	1972	1977	61 to 70 yrs	Valid
040-58-####	1973	1977	61 to 69 yrs	Valid
040-60-####	1973	1977	61 to 69 yrs	Valid
040-62-####	1974	1977	61 to 68 yrs	Valid
040-64-####	1975	1977	61 to 67 yrs	Valid
040-66-####	1976	1977	61 to 66 yrs	Valid
040-68-####	1976	1978	60 to 66 yrs	Valid
040-70-####	1979	unknown	51 to 63 yrs	Valid
040-72-####	1980	1981	57 to 62 yrs	Valid
040-74-####	1982	unknown	48 to 60 yrs	Valid
040-76-####	1983	1984	54 to 59 yrs	Valid
040-78-####	1985	unknown	45 to 57 yrs	Valid
040-80-####	1986	unknown	44 to 56 yrs	Valid
040-82-####	1987	unknown	43 to 55 yrs	Valid
040-84-####	1988	unknown	30 to 38 yrs	Valid

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