Crossword clues for the word: CALLSIGN The word CALLSIGN has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for CALLSIGN Showing 1 to 5 of 5 results Clue(s) "WKRP, WJM, or KORN" Air Force One for example key in visits Describes gin cocktail for travellers over the airwaves Station identification letters Unique designation in radio communications