Roulette Call Bets Explained: Voisins, Tiers and Orphelins

Published September 24, 2026 · 8 min read · By the OddsLighthouse Editorial Team

Every standard roulette bet you'll find printed on the felt — straight up, split, corner, column, red or black — is organized around the number grid, the rectangular table layout where chips get placed. Call bets ignore that grid entirely. They're built instead around where numbers physically sit next to each other on the wheel itself, a layout that has nothing to do with numerical order or the felt's rows and columns. If you've ever watched a French roulette table and heard a dealer place chips on an oval track above the main layout without a player saying a number, that's a call bet — and the logic behind it is worth understanding even if you never play one yourself.

What makes a call bet different from a normal roulette bet

A "call bet" (also called an "announced bet" in jurisdictions where French law once required the player to verbally announce it rather than place cash on unnumbered chips) covers a specific cluster of numbers that sit together on the wheel, regardless of how those numbers are scattered across the felt's grid. A corner bet on the felt, by contrast, always covers four numbers that are physically adjacent on the table layout — 25, 26, 28, 29, for instance — with no relationship to where those numbers sit on the wheel. Call bets flip that logic: they group numbers by wheel position, not table position, which is why they need their own separate betting area, usually an oval "racetrack" printed above or beside the main layout.

The wheel's neighbor logic, not the felt's number grid

European and French roulette wheels arrange their 37 pockets (0 through 36) in a specific, non-sequential order designed by wheel manufacturers roughly a century ago, intended to spread high and low, red and black, odd and even numbers evenly around the circle. The result is that numbers which are far apart on the felt — say, 3 and 26 — can sit right next to each other on the physical wheel. A player who wants to bet on "the zone of the wheel around zero" rather than any specific number needs a bet type built around wheel position, since no combination of standard felt bets can replicate that grouping cleanly.

Voisins du zéro: the neighbors of zero

Voisins du zéro — "neighbors of zero" — is the largest and most commonly offered call bet, covering 17 numbers that sit in the arc of the wheel surrounding zero: 22, 18, 29, 7, 28, 12, 35, 3, 26, 0, 32, 15, 19, 4, 21, 2, and 25. It's placed using nine chips distributed across specific splits and corners within that wheel section, with zero itself covered by a larger four-chip bet (a "trio" on 0-2-3) since it sits at the center of the cluster. Because it covers nearly half the wheel, voisins du zéro is the call bet most often used by players who simply want broad coverage around zero rather than a narrow, high-payout section.

Tiers du cylindre: the opposite third of the wheel

Tiers du cylindre — "thirds of the wheel" — covers the arc of the wheel directly opposite voisins du zéro: 27, 13, 36, 11, 30, 8, 23, 10, 5, 24, 16, and 33. It's a tighter grouping than voisins, using six chips placed as splits across those twelve numbers, and it's popular specifically with players following "wheel bias" theories — the idea, mostly discredited on modern, well-maintained wheels but still culturally persistent, that a physical wheel might land unevenly across its two halves over a long session. Whether or not that theory holds any water on a properly balanced modern wheel, tiers du cylindre remains one of the most requested call bets at physical French tables.

Orphelins: the numbers left over

Orphelins — "orphans" — covers what's left after voisins and tiers are accounted for: 17, 34, 6, 1, 20, 14, 31, and 9. These eight numbers sit in two small, separate arcs on opposite sides of the wheel rather than one continuous stretch, which is part of why orphelins uses five chips in an unusual pattern: one straight-up bet on 1, and four splits covering the remaining six numbers in pairs. It's the least commonly bet of the three main call bets, mostly because it offers narrower coverage without the "opposite of the favorite" logic that draws players to tiers.

What these bets actually cost, and the racetrack layout

Because each call bet is really a bundle of several smaller inside bets (splits, corners, and a trio), the total wager is always a multiple of the number of chips used — a "1 unit" voisins du zéro bet actually costs 9 units total, not 1. That matters for bankroll purposes: a $5 chip value on a 9-chip voisins bet is a $45 wager, not a $5 one, and it's an easy detail to overlook if you're used to thinking of roulette bets in single-chip terms. A related variant, the "zero game" (jeu zéro), narrows voisins down to just the seven numbers closest to zero — 12, 35, 3, 26, 0, 32, and 15 — using four chips, and is common on many European online tables as a smaller, cheaper alternative to the full voisins spread.

These bets don't change the underlying math of the wheel at all — the house edge on a single-zero European wheel is still roughly 2.70% no matter how the chips are arranged, since call bets are just prearranged combinations of the same inside bets you could place manually. What they change is convenience and speed: placing a nine-chip voisins bet by hand, correctly, under time pressure at a live table is genuinely difficult, and the racetrack layout exists specifically to let a dealer place a complex, precise combination instantly once a player calls it out.

Where you can actually place them

Call bets are a French and European roulette tradition, and they're most reliably available on tables explicitly branded "French Roulette," where the racetrack layout is built into the felt or the on-screen interface as standard. Many European-style tables — physical and online — also offer them through a settings menu or a secondary betting panel even without French branding. American double-zero tables essentially never offer call bets, largely because the standard American wheel layout and felt culture never adopted the racetrack convention. If you're playing online and don't see a racetrack or oval betting area anywhere in the game window, check the game's settings or rules screen before assuming it isn't there — some platforms tuck it into a toggle rather than displaying it by default. For the broader picture on wheel layout and standard bet types, see our roulette basics guide, and for how one specific rule changes the math on even-money bets specifically, see our guide to la partage and en prison.