Meaning of unknown number | Babel Free

Definitions

1. A phone number that is unfamiliar to the recipient.
2. A phone number that is hidden from the recipient.
3. Used other than figuratively or idiomatically: see unknown, number.

Examples

“Kelly looked at her phone. This unknown number keep coming up. Answer it.”

“Just then Tanvi received a call from the same unknown number.”

“Minutes later, her phone rang. Hoping it was Nathan, she quickly checked the caller ID. Unknown number. Jessica closed her eyes. The ringing stopped but immediately started again. She checked the missed call—same unknown number.”

“The voice on the phone sounds familiar, but the incoming call on my phone reads “ unknown.” […] And why are you calling me from an unknown number?””

CEFR level