Nine-digit ID
The crossword clue "Nine-digit ID" is answered by SSN, a 3-letter entry. Used 223 times across 32 distinct years; most recently in 2026. It appears in 37 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
SSN
3 letters. See every clue for this answer on the SSN answer page.
Used 223 times across 32 distinct years; most recently in 2026. It appears in 37 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other answers for this clue
The same clue has also been answered these ways in the xd corpus. Answers inside this collection link to their own answer page.
- SSAN (1 uses in xd)
Other clues for SSN
Every other clue in this collection answered by SSN, most used first.
- Tax form ID - used 102 times, most recently in 2026
- Tax ID - used 50 times, most recently in 2026
- IRS ID - used 47 times, most recently in 2026
- Taxpayer's ID - used 39 times, most recently in 2026
- Common ID - used 27 times, most recently in 2023
- Govt.-issued ID - used 25 times, most recently in 2026
- W-2 ID - used 24 times, most recently in 2026
- ID with two hyphens - used 22 times, most recently in 2026
Related clues
Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- Low digit - TOE, used 161 times
- Low digit - ONE, used 125 times
- Binary digit - ONE, used 73 times
- Digit - TOE, used 61 times
- Foot digit - TOE, used 33 times
- Small digit - TOE, used 28 times
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