Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym 999-9999 is...

999-9999 is

  • The Nine Line - Help line for runaways

More Meanings For 999-9999:

  • The Nine Line - Help line for runaways
  • The Nine Line - Help line for runaways

999-9999 is also in:

Acronym Definition Searched: WOKT CSL ACE USW MGT CTY MSE SSST MMU 50424 CH3 03854 34138 BJ ISBA