Meaning of silent number in English:

silent number

noun

Australian
  • A telephone number that is not listed in a directory at the request of the subscriber.

Pronunciation

silent number

/ˌsʌɪlənt ˈnʌmbə/ /ˌsʌɪl(ə)nt ˈnʌmbə/

Origin

Early 20th century; earliest use found in Maitland (New South Wales) Daily Mercury. From silent + number.