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Illinois SSN lookup

Area numbers assigned to Illinois fell in these old-system blocks: 318-361. Use this page to see which prefixes matched Illinois and then check an individual number.

This is page 28 of 81. The rows on this page run from 332-80-#### to 333-28-####.

Area number range

318-361

Published area blocks tied to this lookup page.

Area count

44

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 Illinois before you run a full lookup.

Illinois area numbers

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

318-361

Areas 318 through 361

Illinois SSN patterns by year

These rows show the issued area and group combinations linked to Illinois. 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
332-80-#### 1988 1991 35 to 56 yrs Valid
332-82-#### 1989 1992 34 to 55 yrs Valid
332-84-#### 1990 1993 33 to 54 yrs Valid
332-86-#### 1992 1994 32 to 52 yrs Valid
332-88-#### 1993 1995 31 to 51 yrs Valid
332-90-#### 1994 1996 30 to 50 yrs Valid
332-92-#### 1995 1997 29 to 49 yrs Valid
332-94-#### 1998 1999 27 to 46 yrs Valid
332-96-#### 1999 2000 26 to 45 yrs Valid
332-98-#### 2001 2002 24 to 43 yrs Valid
332-02-#### 2002 2004 22 to 42 yrs Valid
332-04-#### 2004 2006 20 to 40 yrs Valid
332-06-#### 2006 2008 18 to 38 yrs Valid
332-08-#### 2008 2010 16 to 36 yrs Valid
332-11-#### 2010 Unknown 16 to 34 yrs Valid
333-01-#### 1936 1950 76 to 108 yrs Valid
333-03-#### 1936 1950 76 to 108 yrs Valid
333-05-#### 1936 1950 76 to 108 yrs Valid
333-07-#### 1936 1950 76 to 108 yrs Valid
333-09-#### 1936 1950 76 to 108 yrs Valid
333-10-#### 1936 1950 76 to 108 yrs Valid
333-12-#### 1936 1950 76 to 108 yrs Valid
333-14-#### 1936 1950 76 to 108 yrs Valid
333-16-#### 1936 1950 76 to 108 yrs Valid
333-18-#### 1936 1950 76 to 108 yrs Valid
333-20-#### 1936 1950 76 to 108 yrs Valid
333-22-#### 1938 1951 75 to 106 yrs Valid
333-24-#### 1940 1952 74 to 104 yrs Valid
333-26-#### 1942 1954 72 to 102 yrs Valid
333-28-#### 1944 1955 71 to 100 yrs Valid
What this page covers

This page covers issued SSN patterns for Illinois from 332-80-#### to 333-28-####. 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, Illinois 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: 318-01-0001

Check a Illinois SSN

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

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