One of the fastest ways to go from dead weight to a teammate people genuinely want in their lobby is learning your callouts properly. If you're still saying "he's over there near the boxes on the left" while your team is mid-retake, you're costing rounds. This CS2 Callouts Guide is here to fix that.
We're covering the essential spots on the maps you'll spend the vast majority of your ranked time on. Not an encyclopedia of every bush and corner - just the calls that come up every single game and the ones players most commonly mess up or just don't know at all.
Information wins rounds. Even when you die, a clean callout gives your team everything they need to trade, play a rotation, or set up a retake properly. Vague calls like "A site" are borderline useless mid-round when your teammates need to know exact positions. "Top mid, short side, two players pushing" is what actually wins gun rounds and clinches maps.
The better your callouts, the better your team coordinates - even with randoms in solo queue. And in Premier or Faceit, consistently sharp comms will make you stand out fast. For an interactive visual reference alongside this CS2 Callouts Guide, check the full breakdown at https://skinkings.com/cs2-callouts/ where all positions are mapped by location with labels.

Mirage is the most-played map in ranked CS2 by a wide margin. These are the must-know positions:
T-Side key spots:
A Site positions:
B Site positions:

Inferno is dense and every single corner has an established name for good reason:
|
Area |
Key Callouts |
|
A Site |
Car, Pit, Dark, Balcony, Arch, CT |
|
B Site |
Banana, Top Banana, Coffins, New Box, Porch |
|
Mid |
Boiler, Apartments, Library, Alt Mid |
|
Spawns |
T Spawn, CT Spawn, Second Mid |
Things players most often mess up on Inferno:

Nuke is the map that separates players who've studied it from those who are just guessing the layout. The multi-level design means callouts need to include which floor you're referencing.
Essential spots in this CS2 Callouts Guide:
Always say "upper" or "lower" when calling the site. "He's on A" on Nuke tells your team almost nothing and could cost you a retake.

Overpass has some of the most unique map geometry in the pool:

Ancient rotated into the active pool and not every player knows it well yet:
Reading a CS2 Callouts Guide is the start, not the end:
Good comms is a free rank-up waiting to happen. Apply this guide consistently and your teammates will notice.