Architectural Mailboxes Key Blank 5143

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.