Acronyms, Abbreviations, and Initialisms.
All human edited and we add more daily

The meaning of the Acronym 4N1 is...

4N1 is

  • Greenwood Lake Airport, Greenwood Lake, New York USA

4N1 is also in:

Acronym Definition Searched: UPA WIVA AFA PEK TUM 101AD SYN EUR AC OHMS IBTC DMA TDI BLV 60616