Crossword clues for the word: LCKBX The word LCKBX has appeared as an answer to at least 2 crossword clues on different crossword puzzles. Crossword clues for LCKBX Showing 1 to 2 of 2 results Clue(s) "Secure container, for storing keys next to a shared-use door, perhaps (7)" "Secure container, for storing keys next to a shared-use door, perhaps"