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 13 of 26. The rows on this page run from 436-29-#### to 436-87-####.

Area number range

433-439, 659-665

Published area blocks tied to this lookup page.

Area count

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
436-29-####	1979	1980	46 to 65 yrs	Valid
436-31-####	1980	1981	45 to 64 yrs	Valid
436-33-####	1981	1982	44 to 63 yrs	Valid
436-35-####	1981	1983	43 to 63 yrs	Valid
436-37-####	1982	1984	42 to 62 yrs	Valid
436-39-####	1983	1984	42 to 61 yrs	Valid
436-41-####	1983	1985	41 to 61 yrs	Valid
436-43-####	1984	1986	40 to 60 yrs	Valid
436-45-####	1985	1987	39 to 59 yrs	Valid
436-47-####	1985	1987	39 to 59 yrs	Valid
436-49-####	1986	1988	38 to 58 yrs	Valid
436-51-####	1986	1988	38 to 58 yrs	Valid
436-53-####	1987	1989	37 to 57 yrs	Valid
436-55-####	1987	1990	36 to 57 yrs	Valid
436-57-####	1988	1990	36 to 56 yrs	Valid
436-59-####	1988	1991	35 to 56 yrs	Valid
436-61-####	1989	1991	35 to 55 yrs	Valid
436-63-####	1989	1992	34 to 55 yrs	Valid
436-65-####	1990	1993	33 to 54 yrs	Valid
436-67-####	1990	1993	33 to 54 yrs	Valid
436-69-####	1991	1994	32 to 53 yrs	Valid
436-71-####	1991	1994	32 to 53 yrs	Valid
436-73-####	1992	1995	31 to 52 yrs	Valid
436-75-####	1993	1995	31 to 51 yrs	Valid
436-77-####	1993	1996	30 to 51 yrs	Valid
436-79-####	1994	1996	30 to 50 yrs	Valid
436-81-####	1994	1997	29 to 50 yrs	Valid
436-83-####	1995	1997	29 to 49 yrs	Valid
436-85-####	1997	1998	28 to 47 yrs	Valid
436-87-####	1998	1999	27 to 46 yrs	Valid

What this page covers

This page covers issued SSN patterns for Louisiana from 436-29-#### to 436-87-####. 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.

More lookup pages

Browse all state lookup pages

Browse the full area number directory