“Something usually kept private, for short” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.SSN is the answer to the New York Times crossword clue “Something usually kept private, for short”. It was last seen in the puzzle of October 15, 2025, where it runs at 13 Down and fills 3 squares. It crosses 3 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.