Although these numbers are amusing and each has its own story, most professional bingo halls do not use them. If a caller were busy saying "two little ducks", and the number 22 has not yet been said, it is therefore not deemed "called". In an instance where a player may have missed his or her number, and a player is waiting for 22, both players would have valid argument that their number was "called".

There are traditional calls for the numbers. For example: