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:

Bingo parlors in Buenos Aires, Argentina, where the game has become quite popular in the last twenty years

A typical bingo dauber or bingo marker, which is commonly used by bingo players at bingo halls across the U.S.

Canadian and American games often have multiple bingos — for example, the players may first play for a single line, then after that is called continue playing for a full card, then for a consolation full card.