Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym 63S is...

63S is

  • Colville Municipal Airport, Colville, Washington USA

63S is also in:

Acronym Definition Searched: WCAN ASR 68521 LD URPA SPOT SP 32129 CEP OLES IET TT FLEX COL 30811 ER