Enter these on the panels found on the numbered cabinets through out the game:

Cabinet - Code

396 - #001
483 - #003
752 - #009
586 - #013
347 - #017
531 - #023
409 - #038
102 - #039
123 - #047
123 - #048
123 - #049
246 - #054
142 - #054 (second)
972 - #063
651 - #064
364 - #078
364 - #079
259 - #103
579 - #104
538 - #112
715 - #114
972 - #116
624 - #116 (second)
624 - #117
371 - #213
298 - #215
841 - #317
836 - #386
836 - #387
571 - #452
372 - #666
468 - #669
0508 - Martian Buddies 1 and 2
734 - Weapons Storage 1 and 2