Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym 4B9 is...

4B9 is

  • Simsbury Airport, Simsbury, Connecticut USA

4B9 is also in:

Acronym Definition Searched: USA PRD 63863 EBCDIC WKXN PSB (CBER) CREA TASS 28750 CKH PMC YOT 93962 ROIT OMC