At any time during the game, pull out Niko's phone and dial these numbers for the desired effect.
Please note that cheats will affect missions and achievements.
| Change weather | 468-555-0100 |
| Get a different selection of weapons | 486-555-0150 |
| Get a selection of weapons | 486-555-0100 |
| Raise wanted level | 267-555-0150 |
| Remove wanted level | 267-555-0100 |
| Restore armour | 362-555-0100 |
| Restore health, armor, and ammo | 482-555-0100 |
| Song information | 948-555-0100 |
| Spawn a Cognoscenti | 227-555-0142 |
| Spawn a Comet | 227-555-0175 |
| Spawn a Jetmax | 938-555-0100 |
| Spawn a Sanchez | 625-555-0150 |
| Spawn a SuperGT | 227-555-0168 |
| Spawn a Turismo | 227-555-0147 |
| Spawn an Annihiliator | 359-555-0100 |
| Spawn an FIB Buffalo | 227-555-0100 |
| Spawn an NRG-900 | 625-555-0100 |