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SSNChecker Social Security Number verification and lookup

Is 478-36-0001 a valid SSN?

478-36-0001 looks valid in the public record. The likely issue location is Iowa (IA), and the year range is 1943 to 1955.

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 478-36-0001 a valid SSN?

Valid

478-36-0001 looks valid in the public record. The likely issue location is Iowa (IA), and the year range is 1943 to 1955.

Status

Valid

Matches the public SSA record.

Issue location

Iowa (IA)

Based on the first three digits of the SSN.

Issue years

1943 to 1955

Estimated first and last year for this number range.

Lookup details
SSN
478-36-0001
Area number
478
Group number
36
Serial number
0001
Last published group
43
Record window
before November 2003

What this result means

478-36-0001 fits the published pre-randomization record. The area points to Iowa (IA), and the published group history supports an issue range of 1943 to 1955.