This game is also available on PS3.
Select DIAL and enter the following number: 911 then press CALL. NOTE: Some cheats prevent achievements from being unlocked
Select DIAL and enter the following number: (555) 819 8415
Select DIAL and enter the following number: 555-3765
Select DIAL and enter the following number: (555) 018-0174
Select DIAL and enter the following number: #12Gauge