Crossword clues for Nine digits: Abbr. 3 lettersAnswerClueSSNImportant nine digits (Abbr.)SSNNine digits: Abbr.SSNNine-digit ID: Abbr.SSNIRS nine-digit ID: Abbr.SSNTaxpayer's nine-digit ID: Abbr.SSNIt has nine digits and two hyphens (abbr.)SSNSThey have only nine digits (Abbr.)SSNSNine-digit government IDs: Abbr.SSNSThey have nine digits and two hyphens (abbr.)SSNSNine-digit tax figures (and not just for the super-rich): Abbr.