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SSNChecker Social Security Number verification and lookup

Is 400-51-0001 a valid SSN?

400-51-0001 looks valid in the public record. The likely issue location is Kentucky (KY), and the year range is 1998 to 1999.

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 400-51-0001 a valid SSN?

Valid

400-51-0001 looks valid in the public record. The likely issue location is Kentucky (KY), and the year range is 1998 to 1999.

Status

Valid

Matches the public SSA record.

Issue location

Kentucky (KY)

Based on the first three digits of the SSN.

Issue years

1998 to 1999

Estimated first and last year for this number range.

Lookup details
SSN
400-51-0001
Area number
400
Group number
51
Serial number
0001
Last published group
73
Record window
before November 2003

What this result means

400-51-0001 fits the published pre-randomization record. The area points to Kentucky (KY), and the published group history supports an issue range of 1998 to 1999.