Answer
Sep 01, 2026 - 08:51 AM
Choosing the right keyway or model number is crucial when purchasing USPS Mailbox Key Blanks because it determines whether the blank will fit your specific mailbox lock. The keyway/model number ensures compatibility with the lock's internal mechanism, reducing the risk of a non-functional key. There are several common keyway/model numbers available, such as 1646, 1646R, NA12 (1069LB), and NA14 (1069L), each designed for different mailbox lock types. Having a range of keyway/model options allows locksmiths and users to select the exact blank needed for their application. For example, Uncut Key Blank | USPS Mail Box | 1646 fits standard USPS mailboxes, while Uncut Key Blank | National | NA12, 1069LB is designed for a wider range of lock brands. With multiple model numbers available, customers can find the best fit for their needs.
