…loor is usually called 3A. Same goes for the 14th floor which would be 13A, and so on and so forth. You would never find the number 4 button in elevators. I remember a Japanese friend of mine was really amused by this. The po…loor is usually called 3A. Same goes for the 14th floor which would be 13A, and so on and so forth. You would never find the number 4 button in elevators. I remember a Japanese friend of mine was really amused by this. The poor guy was probably looking fo…