How many numbers are on a bingo card?

A 75-ball bingo card is a 5x5 grid with 24 numbers and one free center space — five numbers under each of the letters B, I, N, G, and O.

How do you win at bingo?

You win by daubing a set pattern of called numbers on your card — such as a full line, four corners, or a blackout — and calling out 'Bingo!' before it's verified.

What is the free space in bingo?

The center square of the card is a free space that counts as already marked for every player, making patterns through the middle a bit easier.

Guides → Bingo rules for beginners

Bingo rules for beginners

Bingo takes about two minutes to learn. Whether you're playing for the first time or hosting a game and want to explain it, here's everything you need — in plain English.

The card

A standard (75-ball) bingo card is a 5×5 grid. Across the top are the letters B‑I‑N‑G‑O, and each letter's column holds five numbers from a fixed range:

B = 1–15
I = 16–30
N = 31–45 (with a free space in the middle)
G = 46–60
O = 61–75

That's 24 numbers plus the free center square. No two cards in a game should be the same — you can print unique cards for free here.

The free space

The middle square is a free space that counts as already marked for everyone. Any winning pattern that runs through the center gets that square for free.

How the game is played

The host announces the pattern needed to win this game (for example, a straight line).
The caller draws numbers one at a time and calls them out as “letter‑number,” e.g. “G‑52.” (New to calling? See how to call bingo numbers.)
Players daub (mark) the number if it's on their card.
The first player to complete the pattern shouts “Bingo!”

How you win

You win by being first to daub the game's pattern from called numbers — and calling it out before the next number is drawn. Common patterns include a single line, four corners, a letter X, a postage stamp, and a full-card blackout. See them all in bingo patterns explained.

Verifying the win

When someone calls bingo, the host checks the card against the numbers that were actually called and confirms the pattern before paying out. Digital tools make this instant — here's how to verify a winner.

A few etiquette tips

Call “Bingo!” loudly and promptly — most halls only honor it before the next number is called.
Keep your daubed card until the win is confirmed.
One person, one voice — let the caller finish before shouting.

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More guides: How to call bingo numbers · Bingo patterns explained · How to run a bingo night