Enumeration at Entry Social Security Numbers

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

Use the SSN Search Tool to check individual Social Security Numbers.

Issuance State:

Issuance Year:

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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-##-#### to 733-##-#### 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-####	2003	2004	20 to 21 yrs	Valid
729-03-####	2004	2005	19 to 20 yrs	Valid
729-05-####	2005	unknown	11 to 19 yrs	Valid
729-07-####	2005	2006	18 to 19 yrs	Valid
729-09-####	2006	2007	17 to 18 yrs	Valid
729-10-####	2007	unknown	9 to 17 yrs	Valid
729-12-####	2007	2008	16 to 17 yrs	Valid
729-14-####	2008	unknown	8 to 16 yrs	Valid
729-16-####	2008	2009	15 to 16 yrs	Valid
729-18-####	2009	unknown	7 to 15 yrs	Valid
729-20-####	2009	2010	14 to 15 yrs	Valid
729-22-####	2010	unknown	6 to 14 yrs	Valid
729-24-####	2010	unknown	6 to 14 yrs	Valid
729-26-####	2010	2011	13 to 14 yrs	Valid
729-28-####	2011	unknown	5 to 13 yrs	Valid
730-01-####	2003	2004	20 to 21 yrs	Valid
730-03-####	2004	2005	19 to 20 yrs	Valid
730-05-####	2005	2006	18 to 19 yrs	Valid
730-07-####	2006	unknown	10 to 18 yrs	Valid
730-09-####	2006	2007	17 to 18 yrs	Valid
730-10-####	2007	unknown	9 to 17 yrs	Valid
730-12-####	2007	2008	16 to 17 yrs	Valid
730-14-####	2008	unknown	8 to 16 yrs	Valid
730-16-####	2008	2009	15 to 16 yrs	Valid
730-18-####	2009	unknown	7 to 15 yrs	Valid
730-20-####	2009	2010	14 to 15 yrs	Valid
730-22-####	2010	unknown	6 to 14 yrs	Valid
730-24-####	2010	unknown	6 to 14 yrs	Valid
730-26-####	2010	2011	13 to 14 yrs	Valid
730-28-####	2011	unknown	5 to 13 yrs	Valid
731-01-####	2003	2004	20 to 21 yrs	Valid
731-03-####	2004	2005	19 to 20 yrs	Valid
731-05-####	2005	2006	18 to 19 yrs	Valid
731-07-####	2006	2007	17 to 18 yrs	Valid
731-09-####	2007	unknown	9 to 17 yrs	Valid
731-10-####	2007	2008	16 to 17 yrs	Valid
731-12-####	2008	unknown	8 to 16 yrs	Valid
731-14-####	2008	unknown	8 to 16 yrs	Valid
731-16-####	2008	2009	15 to 16 yrs	Valid
731-18-####	2009	unknown	7 to 15 yrs	Valid
731-20-####	2009	2010	14 to 15 yrs	Valid
731-22-####	2010	unknown	6 to 14 yrs	Valid
731-24-####	2010	unknown	6 to 14 yrs	Valid
731-26-####	2010	2011	13 to 14 yrs	Valid
731-28-####	2011	unknown	5 to 13 yrs	Valid
732-01-####	2003	2004	20 to 21 yrs	Valid
732-03-####	2004	2005	19 to 20 yrs	Valid
732-05-####	2005	2006	18 to 19 yrs	Valid
732-07-####	2006	2007	17 to 18 yrs	Valid
732-09-####	2007	unknown	9 to 17 yrs	Valid

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