Front desk · NATO Phonetic Alphabet
ICAO spelling alphabet
4 Four
· filed 2026-07-18 · click a code to copy
In the NATO/ICAO spelling alphabet, 4 is spoken as “Four”. Its Morse code is ····−.
The code words were chosen so no two sound alike over bad radio — which is why pilots, sailors, and call-center agents all spell with the same 26 words, unchanged since 1956.