logo Enumeration at Entry Social Security Numbers

SSNs between 729-xx-xxxx and 733-xx-xxxx are issued to a naturalized citizen (possible non-citizen SSN applicants).


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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 >

Enumeration at Entry SSNs by Year

Within the 729-xx-xxxx to 733-xx-xxxx 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?
729-01-xxxx 2003 2004 13 to 14 yrs Valid
729-03-xxxx 2004 2005 12 to 13 yrs Valid
729-05-xxxx 2005 unknown 4 to 12 yrs Valid
729-07-xxxx 2005 2006 11 to 12 yrs Valid
729-09-xxxx 2006 2007 10 to 11 yrs Valid
729-10-xxxx 2007 unknown 2 to 10 yrs Valid
729-12-xxxx 2007 2008 9 to 10 yrs Valid
729-14-xxxx 2008 unknown 1 to 9 yrs Valid
729-16-xxxx 2008 2009 8 to 9 yrs Valid
729-18-xxxx 2009 unknown 1 to 8 yrs Valid
729-20-xxxx 2009 2010 7 to 8 yrs Valid
729-22-xxxx 2010 unknown 1 to 7 yrs Valid
729-24-xxxx 2010 unknown 1 to 7 yrs Valid
729-26-xxxx 2010 2011 6 to 7 yrs Valid
729-28-xxxx 2011 unknown 1 to 6 yrs Valid
730-01-xxxx 2003 2004 13 to 14 yrs Valid
730-03-xxxx 2004 2005 12 to 13 yrs Valid
730-05-xxxx 2005 2006 11 to 12 yrs Valid
730-07-xxxx 2006 unknown 3 to 11 yrs Valid
730-09-xxxx 2006 2007 10 to 11 yrs Valid
730-10-xxxx 2007 unknown 2 to 10 yrs Valid
730-12-xxxx 2007 2008 9 to 10 yrs Valid
730-14-xxxx 2008 unknown 1 to 9 yrs Valid
730-16-xxxx 2008 2009 8 to 9 yrs Valid
730-18-xxxx 2009 unknown 1 to 8 yrs Valid
730-20-xxxx 2009 2010 7 to 8 yrs Valid
730-22-xxxx 2010 unknown 1 to 7 yrs Valid
730-24-xxxx 2010 unknown 1 to 7 yrs Valid
730-26-xxxx 2010 2011 6 to 7 yrs Valid
730-28-xxxx 2011 unknown 1 to 6 yrs Valid
731-01-xxxx 2003 2004 13 to 14 yrs Valid
731-03-xxxx 2004 2005 12 to 13 yrs Valid
731-05-xxxx 2005 2006 11 to 12 yrs Valid
731-07-xxxx 2006 2007 10 to 11 yrs Valid
731-09-xxxx 2007 unknown 2 to 10 yrs Valid
731-10-xxxx 2007 2008 9 to 10 yrs Valid
731-12-xxxx 2008 unknown 1 to 9 yrs Valid
731-14-xxxx 2008 unknown 1 to 9 yrs Valid
731-16-xxxx 2008 2009 8 to 9 yrs Valid
731-18-xxxx 2009 unknown 1 to 8 yrs Valid
731-20-xxxx 2009 2010 7 to 8 yrs Valid
731-22-xxxx 2010 unknown 1 to 7 yrs Valid
731-24-xxxx 2010 unknown 1 to 7 yrs Valid
731-26-xxxx 2010 2011 6 to 7 yrs Valid
731-28-xxxx 2011 unknown 1 to 6 yrs Valid
732-01-xxxx 2003 2004 13 to 14 yrs Valid
732-03-xxxx 2004 2005 12 to 13 yrs Valid
732-05-xxxx 2005 2006 11 to 12 yrs Valid
732-07-xxxx 2006 2007 10 to 11 yrs Valid
732-09-xxxx 2007 unknown 2 to 10 yrs Valid

** This Document Provided By SSN-Verify.com **
Source: http://www.ssn-verify.com/lookup/enumeration-at-entry