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. Supreme
  4. Supreme H342 - H483
  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

Supreme H342 - H483 Series Lock Code List

H342
H343
H344
H345
H346
H347
H348
H349
H350
H351
H352
H353
H354
H355
H356
H357
H358
H359
H360
H361
H362
H363
H364
H365
H366
H367
H368
H369
H370
H371
H372
H373
H374
H375
H376
H377
H378
H379
H380
H381
H382
H383
H384
H385
H386
H387
H388
H389
H390
H391
H392
H393
H394
H395
H396
H397
H398
H399
H400
H401
H402
H403
H404
H405
H406
H407
H408
H409
H410
H411
H412
H413
H414
H415
H416
H417
H418
H419
H420
H421
H422
H423
H424
H425
H426
H427
H428
H429
H430
H431
H432
H433
H434
H435
H436
H437
H438
H439
H440
H441
H442
H443
H444
H445
H446
H447
H448
H449
H450
H451
H452
H453
H454
H455
H456
H457
H458
H459
H460
H461
H462
H463
H464
H465
H466
H467
H468
H469
H470
H471
H472
H473
H474
H475
H476
H477
H478
H479
H480
H481
H482
Added To Cart!
Closed on Friday, June 19th: Juneteenth National Independence Day
Want it delivered Tuesday, June 16, 2026? Order by 5pm EST Monday, June 15, 2026 choose FedEx Overnight shipping.
shopping cart image My Cart

There are no items in your cart.

Spend $35+ on qualifying items to unlock FREE U.S. domestic shipping.
usps shipping

Orders of $35 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
Sharon
Jun 13, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Customer Service was excellent and respond quickly while providing step by step instructions.”
Norbert
Jun 13, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“I reviewed, I ordered and I paid. Thank you N.A. Taylor”
Dean
Jun 13, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Wrong key was at checkout, when the one I searched should have been in it.”
Brenda
Jun 13, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Very easy, I took the number off of the broken key and it came up. So I ordered 2. Hope it works! ”
Debra
Jun 13, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Always great service”
Renee
Jun 13, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Easy to find what I was looking for and a super simple and quick checkout ”
CHUNG
Jun 13, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Easy and convenient ”
Guinn
Jun 13, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Quick and easy. Plenty of options for shipping. ”
Kenneth
Jun 13, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Excellent resource for lost keeys. Lost key during move & drawer was locked. Ordered key. “BINGO” got replacement key that worked. Relieved!”
Clifford
Jun 12, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Great”
edwin
Jun 12, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Good”
David
Jun 12, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“dont do surveys”
Shawn
Jun 12, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Very easy to order!”
Lisandro
Jun 12, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“great customer service, fast turnaround ”
Daniel
Jun 11, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Feedback comes at end of job”
Thomas
Jun 11, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Ease of use great experience ty”
Jim
Jun 11, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Super easy to use. Thanks for that. ”
Michael
Jun 11, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“Easy to use.”
Lane
Jun 11, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“not clear how or when the cut numbers are submitted. I put them in the notes.”
ed
Jun 11, 2026
✔ Verified Purchase
★ ★ ★ ★ ★
“thanks”
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!