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Knowing what Social Security numbers have been allocated will help you determine if a SSN is valid. We have guides that will help you make this determination:

High Group History List

This list shows the SSN area and group numbers that have been issued as of this month.

2008 September 2008 August 2008 July 2008 June 2008 May 2008 April 2008 March 2008 February 2008 January 2008	2007 December 2007 November 2007 October 2007 September 2007 August 2007 July 2007 June 2007 May 2007 April 2007 March 2007 February 2007 January 2007	2006 December 2006 November 2006 October 2006 September 2006 August 2006 July 2006 June 2006 May 2006 April 2006 March 2006 February 2006 January 2006
2005 December 2005 November 2005 October 2005 September 2005 August 2005 July 2005 June 2005 May 2005 April 2005 March 2005 February 2005 January 2005	2004 December 2004 November 2004 October 2004 September 2004 August 2004 July 2004 June 2004 May 2004 April 2004 March 2004 February 2004 January 2004	2003 December 2003 November 2003

Social Security Number Allocations

How SSNs are assigned and a list of number areas by State.

SSN - Order of Issuance

Further Explanation of How to Understand SSN Assignment

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SSNVS Information and Instructions
Why Should I Verify Names and SSNs Online
Steps to Register for SSNVS
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High Group List and Other Ways to Determine if an SSN is Valid

Employer Information Directory

High Group History List

Social Security Number Allocations

SSN - Order of Issuance

Login to SSNVS

TABLE OF CONTENTS