Skip to content
SSNChecker Social Security Number verification and lookup

Is 338-40-0001 a valid SSN?

338-40-0001 looks valid in the public record. The likely issue location is Illinois (IL), and the year range is 1956 to 1963.

Check a Social Security number

Enter any 9-digit SSN to check format, likely issue location, and the published issue-year range.

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

Is 338-40-0001 a valid SSN?

Valid

338-40-0001 looks valid in the public record. The likely issue location is Illinois (IL), and the year range is 1956 to 1963.

Status

Valid

Matches the public SSA record.

Issue location

Illinois (IL)

Based on the first three digits of the SSN.

Issue years

1956 to 1963

Estimated first and last year for this number range.

Lookup details
SSN
338-40-0001
Area number
338
Group number
40
Serial number
0001
Last published group
11
Record window
before November 2003

What this result means

338-40-0001 fits the published pre-randomization record. The area points to Illinois (IL), and the published group history supports an issue range of 1956 to 1963.