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Louisiana SSN lookup

Area numbers assigned to Louisiana fell in these old-system blocks: 433-439, 659-665. Use this page to see which prefixes matched Louisiana and then check an individual number.

This is page 26 of 26. The rows on this page run from 663-14-#### to 665-22-####.

Area number range

433-439, 659-665

Published area blocks tied to this lookup page.

Area count

14

Distinct area numbers in this assignment block.

What this page tells you

Location match

Use these prefixes to see whether the first three digits point to Louisiana before you run a full lookup.

Louisiana area numbers

The first three digits of an old-style SSN could point to Louisiana when they fell inside one of these published ranges.

433-439

Areas 433 through 439

659-665

Areas 659 through 665

Louisiana SSN patterns by year

These rows show the issued area and group combinations linked to Louisiana. Open any pattern as a full lookup by swapping in the last four digits.

Social Security number First year Last year Likely age today Status
663-14-#### 2007 2008 18 to 37 yrs Valid
663-16-#### 2008 2008 18 to 36 yrs Valid
663-18-#### 2008 2009 17 to 36 yrs Valid
663-20-#### 2009 2010 16 to 35 yrs Valid
663-22-#### 2010 Unknown 16 to 34 yrs Valid
664-01-#### 1936 1950 76 to 108 yrs Valid
664-03-#### 1949 1959 67 to 95 yrs Valid
664-05-#### 1981 1982 44 to 63 yrs Valid
664-07-#### 2002 2004 22 to 42 yrs Valid
664-09-#### 2004 2005 21 to 40 yrs Valid
664-10-#### 2005 2006 20 to 39 yrs Valid
664-12-#### 2006 2007 19 to 38 yrs Valid
664-14-#### 2007 2008 18 to 37 yrs Valid
664-16-#### 2008 2009 17 to 36 yrs Valid
664-18-#### 2009 2010 16 to 35 yrs Valid
664-20-#### 2010 Unknown 16 to 34 yrs Valid
664-22-#### 2011 Unknown 15 to 33 yrs Valid
665-01-#### 1936 1950 76 to 108 yrs Valid
665-03-#### 1949 1959 67 to 95 yrs Valid
665-05-#### 1981 1982 44 to 63 yrs Valid
665-07-#### 2002 2004 22 to 42 yrs Valid
665-09-#### 2004 2005 21 to 40 yrs Valid
665-10-#### 2005 2006 20 to 39 yrs Valid
665-12-#### 2006 2007 19 to 38 yrs Valid
665-14-#### 2007 2008 18 to 37 yrs Valid
665-16-#### 2008 2009 17 to 36 yrs Valid
665-18-#### 2009 2010 16 to 35 yrs Valid
665-20-#### 2010 Unknown 16 to 34 yrs Valid
665-22-#### 2011 Unknown 15 to 33 yrs Valid
What this page covers

This page covers issued SSN patterns for Louisiana from 663-14-#### to 665-22-####. If you are scanning older prefixes or comparing issue-year ranges, this gives you a faster way to narrow the search.

Each row represents a valid issued area and group combination under the old system. Open any row to run a full number check and see the likely location and year range.

How to use this page

If an SSN starts with one of the prefixes above, Louisiana is a likely issue location under the old system.

To check the number further, run the full nine digits through the checker. The result page can then tell you whether the group fits the published record and what year range the number most likely falls into.

Example old-style prefix for this page: 433-01-0001

Check a Louisiana SSN

Enter a full SSN to check whether it fits the old record for Louisiana.

Formats like `001010013` and `001-01-0013` both work.