Easykeys.com was created in response to a rising need for Architectural Mailboxes replacement keys and locks that could be obtained in an easy and, more importantly, fast method. Free & Traceable Shipping Starts at $25 on qualified items, you can receive your order as quickly as 10:30AM the following business day, and we promise to take care of you 100%.
Architectural Mailboxes Key Blanks
View our entire Key Blank inventory and search by Manufacturer or Key Blank No.

Architectural Mailboxes 5140, 5142 | Axxess 80, Cole IN8, Y11 | Curtis IN-8, IN8, Y-11, Y11 | Dominion L54B, U122 | ESP IN8, Y11, 1502, CG16, ES8 | Ilco 1041T, L1054B, O1122, 01122 | Ilco EZ IN8, IN8-BR, Y11, Y11 BR | Jet IN8, Y11 | JMA ILC-7D, ILC7D, YA-11D, YA11D | Original HO1, H01 | Orion L1054B, YAL11 | Silca ILC11, YA4 | Star IL5, YJ3 | Taylor L54B, 7NX
Get the ever-popular ESP IN8 key blank at EasyKeys.com—one of the most widely used utility key blanks for RV compartments, toolboxes, truck caps, storage units, and industrial enclosures. Manufactured by ESP, a trusted industry leader, the IN8 key blank delivers reliable durability, smooth cutting, and consistent performance for locksmiths, maintenance teams, and DIY users. Perfect for creating replacement keys that match the common CH751-style utility lock profile. Fast shipping and dependable OEM-grade quality guaranteed.Bulk Pricing
Used in the following ESP series:

The Architectural Mailboxes 5143 key blank is a Canada Post / Architectural Mailboxes OEM key blank designed for A1001–A3000 high-security mailbox locks installed on Architectural Mailboxes 6200 Oasis Classic and 620020 Oasis TriBolt model mailboxes.
This key blank should be used if your mailbox lock is stamped with an “A” or “Y” followed by four digits (for example: A1357 or Y1357). It is ideal for locksmiths, property managers, HOAs, and maintenance professionals who need to cut replacement or spare keys for compatible high-security mailbox systems.
Manufactured to OEM specifications, the 5143 key blank ensures accurate cutting, proper fit, and smooth lock operation once cut, allowing key replacement without removing or replacing the lock.
Purchasing Architectural Mailboxes key blanks from EasyKeys ensures OEM-compatible quality and expert support to help confirm correct lock and key identification.
Bulk Pricing
Used in the following Architectural Mailboxes series:

Architectural Mailboxes 5141-Y11 Key Blank
Use this key blank if your Architectural Mailbox lock has wide red and green indicators with the lock code stamped on the lock face.
The key blanks are for new 2500 series mailbox locks after 2/26/17.
The key blank is stamped with “Y11” & the lock code.
The lock face will have the corresponding lock code stamped on it.
Bulk Pricing

Architectural Mailboxes 5140 Key Blank for Standard Mailbox Lock
Use this key blank if your Architectural Mailbox lock is round with no markings at all.
Alternate: ESP IN8 Key Blank
Bulk Pricing

Architectural Mailboxes 5141 Key Blank
Use this key blank if your Architectural Mailbox lock has short red and green indicators.
The key blanks are for old 2500 series mailbox locks before 2/26/17.
No markings on the key blank OR locks.
Bulk Pricing

Key Blank for Pedestal & Hudson Mailboxes.
Bulk Pricing
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