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Social Security Numbers issued to Colorado in 1951 fall between 521-42-xxxx and 524-42-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 1951

Within the 521-42-xxxx to 524-42-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-xxxx 1951 unknown 70 to 82 yrs Valid
522-42-xxxx 1951 unknown 70 to 82 yrs Valid
523-42-xxxx 1951 1952 77 to 82 yrs Valid
524-42-xxxx 1951 1952 77 to 82 yrs Valid

** This Document Provided By SSN-Verify.com **
Source: http://www.ssn-verify.com/lookup/colorado/1951