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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?
521-42-#### 1951 unknown 77 to 89 yrs Valid
521-44-#### 1952 unknown 76 to 88 yrs Valid
521-46-#### 1953 unknown 75 to 87 yrs Valid
521-48-#### 1954 unknown 74 to 86 yrs Valid
521-50-#### 1955 unknown 73 to 85 yrs Valid
521-54-#### 1958 unknown 70 to 82 yrs Valid
521-56-#### 1959 unknown 69 to 81 yrs Valid
521-58-#### 1960 unknown 68 to 80 yrs Valid
521-60-#### 1961 unknown 67 to 79 yrs Valid
521-62-#### 1962 unknown 66 to 78 yrs Valid
521-64-#### 1963 unknown 65 to 77 yrs Valid
521-66-#### 1963 unknown 65 to 77 yrs Valid
521-68-#### 1964 unknown 64 to 76 yrs Valid
521-70-#### 1965 unknown 63 to 75 yrs Valid
521-72-#### 1965 unknown 63 to 75 yrs Valid
521-74-#### 1966 unknown 62 to 74 yrs Valid
521-76-#### 1966 unknown 62 to 74 yrs Valid
522-42-#### 1951 unknown 77 to 89 yrs Valid
522-44-#### 1952 unknown 76 to 88 yrs Valid
522-48-#### 1955 unknown 73 to 85 yrs Valid
522-50-#### 1956 unknown 72 to 84 yrs Valid
522-52-#### 1957 unknown 71 to 83 yrs Valid
522-56-#### 1960 unknown 68 to 80 yrs Valid
522-58-#### 1961 unknown 67 to 79 yrs Valid
522-60-#### 1962 unknown 66 to 78 yrs Valid
522-62-#### 1963 unknown 65 to 77 yrs Valid
522-64-#### 1963 unknown 65 to 77 yrs Valid
522-66-#### 1963 unknown 65 to 77 yrs Valid
522-68-#### 1964 unknown 64 to 76 yrs Valid
522-70-#### 1965 unknown 63 to 75 yrs Valid
522-72-#### 1965 unknown 63 to 75 yrs Valid
522-74-#### 1966 unknown 62 to 74 yrs Valid
523-44-#### 1953 unknown 75 to 87 yrs Valid
523-46-#### 1954 unknown 74 to 86 yrs Valid
523-48-#### 1955 unknown 73 to 85 yrs Valid
523-50-#### 1956 unknown 72 to 84 yrs Valid
523-54-#### 1959 unknown 69 to 81 yrs Valid
523-56-#### 1960 unknown 68 to 80 yrs Valid
523-58-#### 1961 unknown 67 to 79 yrs Valid
523-60-#### 1962 unknown 66 to 78 yrs Valid
523-62-#### 1963 unknown 65 to 77 yrs Valid
523-64-#### 1963 unknown 65 to 77 yrs Valid
523-66-#### 1963 unknown 65 to 77 yrs Valid
523-68-#### 1964 unknown 64 to 76 yrs Valid
523-70-#### 1965 unknown 63 to 75 yrs Valid
523-72-#### 1966 unknown 62 to 74 yrs Valid
523-74-#### 1966 unknown 62 to 74 yrs Valid
524-44-#### 1953 unknown 75 to 87 yrs Valid
524-46-#### 1954 unknown 74 to 86 yrs Valid
524-48-#### 1955 unknown 73 to 85 yrs Valid

** This Document Provided By SSN-Verify.com **
Source: http://www.ssn-verify.com/lookup/colorado/1966