To pick a number just click 'Choose a Bingo Ball' above, the random number will be displayed. letter assigned to it if you play the classic game. Numbers from 1 - 75 will be automatically selected with the correct B.I.N.G.O. This generator lets you pick bingo balls one at a time randomly so that you can call out the number to friends and family. Play bingo by generating numbers with this online bingo number generator.