Shop Locking Mailboxes
Locking mailboxes from U.S. Mail Supply include locking mail chests, package delivery vaults, courier drop boxes, key keepers, and package protectors. These USPS-approved mailboxes are ideal for residential, indoor, and commercial use to keep your mail safe from theft.
Rear-Loading Private Use Horizontal Mailboxes – 54 Doors
Product # 1700-96$2,667.00Call For Pricing on 5+ units!Additional Discounts for Members!Rear-Loading Private Use Horizontal Mailboxes – 60 Doors
Product # 1700-106$2,963.00Call For Pricing on 5+ units!Additional Discounts for Members!Single Letter Locker Collection Box-Front Access
Product # LL1FCUSTOM$1,463.00Call For Pricing on 2+ units!Additional Discounts for Members!Single Letter Locker Collection Box-Front+Rear
Product # LL1B$1,264.00Call For Pricing on 2+ units!Additional Discounts for Members!Standard Letter Locker Mailbox-Front Access
Product # LL1STD$399.00Call For Pricing on 4+ units!Additional Discounts for Members!Standard Letter Locker Mailbox-Rear Access
Product # LL2STDRR$499.00Call For Pricing on 3+ units!Additional Discounts for Members!Super Letter Locker Mailbox
Product # LLULT$566.00Call For Pricing on 3+ units!Additional Discounts for Members!USPS Approved Full Service Delivery Vault
Product # DVCS0015$1,690.00Call For Pricing on 2+ units!Additional Discounts for Members!

USPS Mailboxes
Subject to local regulations and installation requirements, our products can comply with USPS standards, as defined by the Postmaster General.
Please note that the USPS periodically updates mailbox standards and guidelines. Before proceeding with mailbox projects, we recommend you consult with your local Postmaster to comply with your specific area guidelines. US Mail Supply experts are standing by to help you navigate the product selection and installation process.








































