The safe code for the Alone mission in Call of Duty: Modern Warfare 2 is 10-10-80 for the first safe and 37-60-80 for the second safe. The first safe is located in a locked room in the coffee shop, and the code can be found by looking at the calendar in the room. The second safe is located in the El Maistro Garage, and the code can be found on a laptop in the back room. The rewards for the first safe are a .50 GS Pistol and a Throwing Knife, while the second safe contains a Crossbow and two bolts of ammo.