| Subject | English | Finnish |
| fin., commun. | Pin Unblocking Key | PUK-koodi |
| comp., MS | unblock code | avaamiskoodi (An operator-provided code to unblock a SIM card) |
| el. | unblocked zone | peittämätön vyöhyke |
| commun., IT | unblocking-acknowledgement signal | telkeämisen poiston kuittaus |