[C4K3]

Doesn't the SSN already encode the general area where it was issued (usually place of birth?)

https://www.ssn-check.org/decode/

[dredmorbius]

It did, by office (through 1972) or ZIP Code (through 2011), but not any longer.

If you are on HN and have a randomly-assigned Area Number on your SSN, you are, however, precocious.