CompX Chicago MT280 - MT399 Series Lock Code List
Added To Cart!
Want it delivered Tuesday, October 27, 2026? Order by 5pm
EST
Monday, October 26, 2026
choose FedEx Overnight shipping.
My Cart
There are no items in your cart.
Spend $35+ on qualifying items to unlock FREE U.S. domestic 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
Email &
Live
Chat Service
8:30 AM - 5:00 PM ET M - F
Use LiveChat & Email
(real humans)
New Products
Graphite Lubricant
Magnifying Card Light
Customer Reviews
What Our Customers Say
Honest feedback from customers who purchased from EasyKeys.
Showing 20 most recent reviews
John
Oct 24, 2026
“Website usefully in every way”
Janice
Oct 24, 2026
“Somehow I received the wrong key and never could talk with a person to handle this. Sending back wrong key you sent.my authorization #wasRA 519877 ”
Ryan
Oct 24, 2026
“It was so easy to order my new keys. I like the option to include pictures. It reassured me that I will get the right keys made. Thank you for a great ordering experience. ”
David
Oct 24, 2026
“PAINLESS”
Rusty
Oct 23, 2026
“Don’t have the key yet so not 100% sure it is correct but confident it is. The ordering process was straightforward. ”
Michael
Oct 23, 2026
“So far so good”
Rosetta
Oct 23, 2026
“Very user friendly and quick shipping”
Sarah
Oct 23, 2026
“Was easy to use. ”
Shawn
Oct 23, 2026
“The website was easy I was able to upload a picture. I have confidence that the keys I ordered will be correct. ”
mohammed
Oct 23, 2026
“Awesome”
Mandy
Oct 23, 2026
“The name says it all - EASY”
Forrest
Oct 22, 2026
“Easy very easy
”
Stephen
Oct 22, 2026
“It has it's moments. I am not used to uploading items but I understand the security”
Christina
Oct 22, 2026
“The website was very simple and easy to use!”
Victoria
Oct 22, 2026
“Communication with the EasyKeys team was very easy to confirm what was needed before purchasing.”
Rita
Oct 22, 2026
“Easy to use. Found what I needed. Took very little time.”
David
Oct 22, 2026
“Great Experience”
Richard
Oct 21, 2026
“I didn't receive shipping options for my three keys. Help. ”
Randall
Oct 21, 2026
“It was nice just hope the keys work ”
Ricardo
Oct 21, 2026
“Hope my key works! If it does ill be happy!”