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  1. Home
  2. Browse Manufacturers
  3. CompX Chicago
  4. CompX Chicago X301 - X500
  5. Lock Code List

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CompX Chicago X301 - X500 Series Lock Code List

X301
X302
X303
X304
X305
X306
X307
X308
X309
X310
X311
X312
X313
X314
X315
X316
X317
X318
X319
X320
X321
X322
X323
X324
X325
X326
X327
X328
X329
X330
X331
X332
X333
X334
X335
X336
X337
X338
X339
X340
X341
X342
X343
X344
X345
X346
X347
X348
X349
X350
X351
X352
X353
X354
X355
X356
X357
X358
X359
X360
X361
X362
X363
X364
X365
X366
X367
X368
X369
X370
X371
X372
X373
X374
X375
X376
X377
X378
X379
X380
X381
X382
X383
X384
X385
X386
X387
X388
X389
X390
X391
X392
X393
X394
X395
X396
X397
X398
X399
X400
X401
X402
X403
X404
X405
X406
X407
X408
X409
X410
X411
X412
X413
X414
X415
X416
X417
X418
X419
X420
X421
X422
X423
X424
X425
X426
X427
X428
X429
X430
X431
X432
X433
X434
X435
X436
X437
X438
X439
X440
X441
X442
X443
X444
X445
X446
X447
X448
X449
X450
X451
X452
X453
X454
X455
X456
X457
X458
X459
X460
X461
X462
X463
X464
X465
X466
X467
X468
X469
X470
X471
X472
X473
X474
X475
X476
X477
X478
X479
X480
X481
X482
X483
X484
X485
X486
X487
X488
X489
X490
X491
X492
X493
X494
X495
X496
X497
X498
X499
X500
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Nov 07, 2026
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Nov 07, 2026
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“great service”
Steve
Nov 06, 2026
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“So far so good. Hopefully the key is what I need. Have tried to contact the safe manufacturer for 6 weeks with no response. ”
Paul
Nov 06, 2026
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“very easy to order”
Christopher
Nov 06, 2026
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“Very helpful and i find what i need quickly. And its in the mail and in my hand without a second thought! I love these guys. Good company! Thank you so much for all you do. And if not for this company. I would be getting ripped off by the local dealer. I saved so much money by going thru this place. You have no idea!!”
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Nov 05, 2026
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Nov 04, 2026
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“found what I needed”
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Nov 04, 2026
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“The easiest and nicest process to use for replacement keys Tha is for being great”
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