Below is a list of all the cheat codes in Grand Theft Auto IV. (for Xbox 360 and PS3)

Note- to activate the cheats, you have to type them into your mobile as a phone number and then call - (the cheat will then be activated)

468-555-0100 = Change Weather

486-555-0150 = Get a different selection of weapons

486-555-0100 = Get a selection of Weapons

267-555-0150 = Raise Wanted Level

267-555-0100 = Lower Wanted Level

362-555-0100 = Restore Armour

482-555-0100 = Restore Health

948-555-0100 = Song Information

227-555-0142 = Spawn a Cognoscneti

227-555-0175 = Spawn a Comet

938-555-0100 = Spawn a Jetmax (powerboat)

625-555-0150 = Spawn a Sanchez (dirt bike)

227-555-0168 = Spawn a Super GT

227-555-0147 = Spawn a Turismo

359-555-0100 = Spawn an Annihiliator (helicopter)

227-555-0100 = Spawn an FIB Buffalo (FBI car basically)

625-555-0100 = Spawn an NRG-900 (racing bike)

NOTE- Some cheats may block achievements (i.e - Health - Lower Wanted Level - Weapons etc.)(XBOX 360 ONLY)