[-]

Jyutping hung1 hou6
Pinyin kōng hào

Definitions (Wiktionary)
  1. noun
    unused phone number

空號 [-号]

Jyutping
Pinyin kōng hào

Definitions (CC-CEDICT)
  1. disconnected phone number
  2. unassigned phone number
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    空号。
    空號。
    kōng hào 。
    • Number unobtainable.