| Answer | Crossword Clue |
|---|---|
| SSN | Nine digits: Abbr. |
| SSNS | They have only nine digits (Abbr.) |
| SSN | It has nine digits and two hyphens (abbr.) |
| SSNS | They have nine digits and two hyphens (abbr.) |
| SSN | U.S. citizen's nine digits |
| SSN | ID with nine digits and two hyphens |
| SSNS | They have nine digits and two hyphens, briefly |
