# unknown number

> English word · Noun

## 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.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/unknown-number