| Answer | Crossword Clue |
|---|---|
| GHI | 4, on a keypad |
| OPER | Abbr. on a keypad |
| ENTER | Key on a keypad |
| ESC | Abbr. on a keypad key |
| PIN | Code entered on a keypad |
| MNO | Trio on a phone keypad |
| ENTER | Tall key on a keypad |
| ENTER | Tall key on a keypad, often |
| PIN | It's frequently punched on a keypad |
| PIN | It's often punched on a keypad |
| ONE | It lacks letters on a telephone keypad |
