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SSNChecker Social Security Number verification and lookup

Is 391-01-0001 a valid SSN?

391-01-0001 looks valid in the public record. The likely issue location is Wisconsin (WI), and the year range is 1936 to 1950.

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 391-01-0001 a valid SSN?

Valid

391-01-0001 looks valid in the public record. The likely issue location is Wisconsin (WI), and the year range is 1936 to 1950.

Status

Valid

Matches the public SSA record.

Issue location

Wisconsin (WI)

Based on the first three digits of the SSN.

Issue years

1936 to 1950

Estimated first and last year for this number range.

Lookup details
SSN
391-01-0001
Area number
391
Group number
01
Serial number
0001
Last published group
33
Record window
before November 2003

What this result means

391-01-0001 fits the published pre-randomization record. The area points to Wisconsin (WI), and the published group history supports an issue range of 1936 to 1950.