The codes should work with the region specified but may work for other regions as well.
Device Compatibility: Action Replay, CodeBreaker & GameShark
Infinite Small Medikits
8011bce40064
Infinite Medium Medikits
8011bce60064
Cell Block Alpha Key
8011bcea0001
Warehouse Alhpa 2 Key
8011bcec0001
Engineering Alpha 3 Key
8011bcee0001
Cargo Bay Alpha 4 Key
8011bcf00001
Key Card 1a1
8011bcf20001
Key Card 1a5
8011bcf40001
Key Card 1a6
8011bcf60001
Infinite Fire Extinguisher
8011bcf80064
Detonator
8011bcfa0001
Enable Items
8011bcbeffff
Enable Weapons
8011bcbcffff
Inf. Flashlight
8011bcfc04b0
Inf. Pistol Ammo
8011bcc40064
Inf. Shotgun Ammo
8011bcc60064
Inf. Pulse Ammo
8011bcc80064
Inf. Flame Ammo
8011bcca0064
Inf. Grenade Ammo
8011bccc0064
Inf. Laser Ammo
8011bcce0064