Grand Theft Auto 4 (GTA 4) Message Board  

The Cheats that i have found around the net are as follows:

Health And Weapons:
Call GTA-555-0100

Weapons Call:
GUN-555-0150

Advanced Weapons Call:
GUN-555-0100

Health Call:
DOC-555-0100

Wanted Level Down Call:
COP-555-0100

Wanted Level Up Call:
COP-555-0150

Climate Change Call:
HOT-555-0100

Spawn Cognoscenti (Mafia Car)Call:
CAR-555-0142

Spawn Sanchez (Dirt Bike) Call:
MBK-555-0150

Spawn FBI Buffalo Call:
CAR-555-0100

Spawn Turismo Call:
CAR-555-0147

Spawn NRG900 Call:
MBK-555-0100

Spawn Comet Call:
CAR-555-0175

Spawn SuperGT Call:
CAR-555-0168

Spawn Police Chopper Call:
FLY-555-0100

Spawn Jetmax(Boat) Call:
WET-555-0100

Not sure how many actually work

(Obtained from gtaforums - Link)

according to gtaforums these cheats are official Link

[Edited by Troodon80, 11/21/2008 12:47:27 AM]

they'll work. all the console cellphone cheats are still in the PC version.