easykeys.com logo
Cart
  • New Products
  • What We Offer
  • Browse Manufacturers
  • Support
  • KeyNotes
  • Login / Signup login
  • Shopping Cart Cart
  1. Home
  2. Browse Manufacturers
  3. Illinois Lock
  4. Illinois Lock A3400 - A3599
  5. Lock Code List

Hint: Need a replacement key? Just search by your lock code—stamped on the face of your lock or key—and instantly find the correct match.

Search Tips!

Key Instructions
Some codes apply to multiple manufacturers. Please select a manufacturer to filter results.
Need Assistance?

Our customer service team is here to help you with any questions or issues.

Send Us Photos!

Search

Illinois Lock A3400 - A3599 Series Lock Code List

A3400
A3401
A3402
A3403
A3404
A3405
A3406
A3407
A3408
A3409
A3410
A3411
A3412
A3413
A3414
A3415
A3416
A3417
A3418
A3419
A3420
A3421
A3422
A3423
A3424
A3425
A3426
A3427
A3428
A3429
A3430
A3431
A3432
A3433
A3434
A3435
A3436
A3437
A3438
A3439
A3440
A3441
A3442
A3443
A3444
A3445
A3446
A3447
A3448
A3449
A3450
A3451
A3452
A3453
A3454
A3455
A3456
A3457
A3458
A3459
A3460
A3461
A3462
A3463
A3464
A3465
A3466
A3467
A3468
A3469
A3470
A3471
A3472
A3473
A3474
A3475
A3476
A3477
A3478
A3479
A3480
A3481
A3482
A3483
A3484
A3485
A3486
A3487
A3488
A3489
A3490
A3491
A3492
A3493
A3494
A3495
A3496
A3497
A3498
A3499
A3500
A3501
A3502
A3503
A3504
A3505
A3506
A3507
A3508
A3509
A3510
A3511
A3512
A3513
A3514
A3515
A3516
A3517
A3518
A3519
A3520
A3521
A3522
A3523
A3524
A3525
A3526
A3527
A3528
A3529
A3530
A3531
A3532
A3533
A3534
A3535
A3536
A3537
A3538
A3539
A3540
A3541
A3542
A3543
A3544
A3545
A3546
A3547
A3548
A3549
A3550
A3551
A3552
A3553
A3554
A3555
A3556
A3557
A3558
A3559
A3560
A3561
A3562
A3563
A3564
A3565
A3566
A3567
A3568
A3569
A3570
A3571
A3572
A3573
A3574
A3575
A3576
A3577
A3578
A3579
A3580
A3581
A3582
A3583
A3584
A3585
A3586
A3587
A3588
A3589
A3590
A3591
A3592
A3593
A3594
A3595
A3596
A3597
A3598
A3599
Added To Cart!
Want it delivered Wednesday, May 6, 2026? Order by 5pm EST Tuesday, May 5, 2026 choose FedEx Overnight shipping.
shopping cart image My Cart

There are no items in your cart.

Spend $25 and you may receive FREE shipping!
usps shipping

Orders of $25 or more of eligible items may qualify for FREE Shipping.

We provide tracking & delivery confirmations on all USPS & FedEx shipments. View Terms

chat service picture

Email & Live
Chat Service

8:30 AM - 5:00 PM ET M - F
Use LiveChat & Email
(real humans)

tax paper image

Taxes & Tax Exempt?

State sales tax laws & Setting up a tax exempt account before placing your order.

 

New Products

Check out our most recently added products!

Check out our most recently added products!

 

Key Rings

Color Split, Giveaway, Cable & More Key Rings

Color Split, Giveaway, Cable & More Key Rings

 

Graphite Lubricant

Use a lubricant when using new keys in old locks

Use a lubricant when using new keys in old locks

 

Magnifying Card Light

I Can't Read My Lock Code. How Do I Read It?

I Can't Read My Lock Code. How Do I Read It?

EasyKeys Google Reviews
Rate Us on Google
★★★★★ Join our happy customers!
Customer Reviews

What Our Customers Say

Honest feedback from customers who purchased from EasyKeys.
★★★★★
Testimonials
★★★★★
Trustpilot
★★★★★
Google Reviews
Showing 20 most recent reviews
John
May 04, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Very easy to use !”
smith
May 04, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Great with amazon pay I had lost these and now can save my safes without breaking the lock ty!!!”
MICHAEL
May 04, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“It was so easy!”
Michael
May 04, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Very user friendly. Customer service was excellent assisting me tax exempt paperwork and authorization. I plan to use easykeys again in the future.”
Jarett
May 04, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Very easy to search and navigate able to find the key I was looking for easily thank you”
Elias
May 04, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“As easy as 123”
Patrick
May 04, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Fast and easy purchase”
Kelly
May 04, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“quick and easy”
Felix
May 04, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“I might have screwed up the first time, I hope I am getting the right keys now”
Sherry
May 04, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Great company. Very customer service oriented. ”
Anthony
May 04, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Quick and easy. Much appreciated”
Rolando
May 03, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Good information regarding replacement keys for my gun safe. Thank You”
Mark
May 03, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Great prices. ”
pablo
May 03, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“great gob”
Karlos
May 03, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Very easy to order !!!”
Kathryn
May 02, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Fast and easy to order!”
Tom
May 02, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Fantastic service ”
Charles
May 02, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Great site!”
Craig
May 02, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Nice web search”
Gilbert
May 02, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Easy to use site for replacement keys! ”
easykeys logo

youtube logo google map logo

  • Get Started
  • What We Offer
  • Browse Manufacturers
  • Contact Us
  • Jobs
  • Blog
  • Partner Benefits
  • Customer reviews
  • About EasyKeys
  • Support
  • Terms
  • Return Policy
  • Subscribe to our newsletter:
  • jobs at easykeys gif
Amazon
Google Pay
Apple Pay
PayPal
Link
American Express
Diners Club
Discover
JCB
Mastercard
Visa
Union Pay

© 2026 EasyKeys.com ® fast key & lock replacements | EasyKeys.com ®| 11407 Granite Street Ste B | Charlotte, NC 28273 | 877.839.5397

Subscribed!