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Social Security Online		 Social Security Number Verification Service (SSNVS)
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High Group List and Other Ways to Determine if an SSN is Valid

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SSN Randomization
Frequently Asked Questions
Attention All Users
After June 25, 2011, the High Group List will no longer be updated. Please see SSN Randomization for more information on SSA's new assignment process and how it may affect you.

Get email updates when this information changes.

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:

silver ball High Group History List


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

High Group List Correction: March 2010
The March 01, 2010 high group posted on March 2, 2010 AM has now been posted to display the correct group for 653-53 as 653-56. Please update your systems accordingly.

2010
September 2010
August 2010
July 2010
June 2010
May 2010
April 2010
March 2010
February 2010
January 2010
2009
December 2009
November 2009
October 2009
September 2009
August 2009
July 2009
June 2009
May 2009
April 2009
March 2009
February 2009
January 2009 		2008
December 2008
November 2008
October 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

silver ballSocial Security Number Allocations

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

silver ball SSN - Order of Issuance

Further Explanation of How to Understand SSN Assignment

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TABLE OF CONTENTS

Overview

Why Should I Verify Names and SSNs Online
Steps to Register for SSNVS
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Last reviewed or modified Thursday Sep 02, 2010
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