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SSNChecker Social Security Number verification and lookup

Is 401-42-0001 a valid SSN?

401-42-0001 looks valid in the public record. The likely issue location is Kentucky (KY), and the year range is 1942 to 1954.

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 401-42-0001 a valid SSN?

Valid

401-42-0001 looks valid in the public record. The likely issue location is Kentucky (KY), and the year range is 1942 to 1954.

Status

Valid

Matches the public SSA record.

Issue location

Kentucky (KY)

Based on the first three digits of the SSN.

Issue years

1942 to 1954

Estimated first and last year for this number range.

Lookup details
SSN
401-42-0001
Area number
401
Group number
42
Serial number
0001
Last published group
73
Record window
before November 2003

What this result means

401-42-0001 fits the published pre-randomization record. The area points to Kentucky (KY), and the published group history supports an issue range of 1942 to 1954.