Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym 1M4 is...

1M4 is

  • Posey Field Airport, Haleyville, Alabama USA

1M4 is also in:

Acronym Definition Searched: NMSC SOWESPAC NICAM TBDM CTB NEAC OMZ RTNI 34238 VISA IDT NUD WOA YAPS PMSI