| Clue | Source | Date |
|---|---|---|
| Firefighter's number (In this answer, note letters 4-6 and 7-9) | Universal | 19 Dec 2025 |
| Digital emergency signal | LA Times Daily | 18 Feb 2017 |
| Digital emergency signal | ||
| Call for help? | ||
| Emergency | ||
| It might be hard-pressed to get assistance | ||
| Emergency call | ||
| Helpful figures? | ||
| Numbers instituted in 1968 | ||
| Panic buttons? | ||
| Emergency number | ||
| Modern-day 20-Across |