Colorado 1966 Social Security Numbers

Social Security Numbers issued to Colorado in 1966 fall between 521-42-xxxx and 524-76-xxxx.

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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 >

Colorado SSNs issued in 1966

Within the 521-42-xxxx to 524-76-xxxx range, 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?
524-50-####	1956	unknown	72 to 84 yrs	Valid
524-54-####	1959	unknown	69 to 81 yrs	Valid
524-56-####	1960	unknown	68 to 80 yrs	Valid
524-58-####	1961	unknown	67 to 79 yrs	Valid
524-60-####	1962	unknown	66 to 78 yrs	Valid
524-62-####	1963	unknown	65 to 77 yrs	Valid
524-64-####	1963	unknown	65 to 77 yrs	Valid
524-66-####	1964	unknown	64 to 76 yrs	Valid
524-68-####	1965	unknown	63 to 75 yrs	Valid
524-70-####	1965	unknown	63 to 75 yrs	Valid
524-72-####	1965	unknown	63 to 75 yrs	Valid
524-74-####	1966	unknown	62 to 74 yrs	Valid

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