unknown number

Noun

Japanese Meaning

非通知番号（受信者に表示されない電話番号） / 隠し番号（受信者から隠されている電話番号）

I ignored the call because it came from an unknown number.

見覚えのない電話番号からの着信だったので、私はその電話を無視しました。

Sense（1）

a phone number (on a phone call) that is unfamiliar to the recipient

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

Sense（2）

a hidden number; a phone number that is hidden from the recipient

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?”

unknown numbers

（ plural ）