Skip to content
SSNChecker Social Security Number verification and lookup

Is 042-40-0001 a valid SSN?

042-40-0001 looks valid in the public record. The likely issue location is Connecticut (CT), and the year range is 1954 to 1962.

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 042-40-0001 a valid SSN?

Valid

042-40-0001 looks valid in the public record. The likely issue location is Connecticut (CT), and the year range is 1954 to 1962.

Status

Valid

Matches the public SSA record.

Issue location

Connecticut (CT)

Based on the first three digits of the SSN.

Issue years

1954 to 1962

Estimated first and last year for this number range.

Lookup details
SSN
042-40-0001
Area number
042
Group number
40
Serial number
0001
Last published group
15
Record window
before November 2003

What this result means

042-40-0001 fits the published pre-randomization record. The area points to Connecticut (CT), and the published group history supports an issue range of 1954 to 1962.