Game: GTA 4
System: Xbox 360

Annihilator
Dial 359-555-0100.

Cognoscenti
Dial 227-555-0142.

Comet
Dial 227-555-0175.

FBI Buffalo
Dial 227-555-0100.

Health, Armor
Dial 362-555-0100.

Health, Armor, Ammo
Dial 482-555-0100.

Jetmax
Dial 938-555-0100.

NRG-900
Dial 625-555-0100.

Sanchez
Dial 625-555-0150.

Super GT
Dial 227-555-0168.

Turismo
Dial 227-555-0147.

Wanted Level: Decrease
Dial 267-555-0100.

Wanted Level: Increase
Dial 267-555-0150.

Weapons 1
Dial 486-555-0100.

Weapons 2
Dial 486-555-0150.

Weather/Time
Dial 486-555-0100.

If you have a cheat code we don’t have, please post it in the comments below.