Is 478-01-0001 a valid SSN?

478-01-0001 looks valid in the public record. The likely issue location is Iowa (IA), 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.

Is 478-01-0001 a valid SSN?

Valid

478-01-0001 looks valid in the public record. The likely issue location is Iowa (IA), and the year range is 1936 to 1950.

Status

Valid

Matches the public SSA record.

Issue location

Iowa (IA)

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

478-01-0001

Area number

478

Group number

Serial number

0001

Last published group

Record window

before November 2003

What this result means

478-01-0001 fits the published pre-randomization record. The area points to Iowa (IA), and the published group history supports an issue range of 1936 to 1950.