Explore Secure Mail Drops, Letter Lockers and Commercial Collection Boxes
U.S. Mail Supply also offers wall-mounted drop boxes, pedestal-mounted parcel protectors and standalone collection boxes tailored for business or government facilities. Locking commercial mailboxes offer enhanced access control while simplifying the mail-handling process in shared or restricted areas.
Letter slot mailboxes and indoor wall-mounted receptacles provide ideal solutions for offices, service counters and internal mailrooms, while larger collection box units meet the needs of high-volume delivery zones. In addition all outdoor locking mailboxes are tamper- and weather-resistant and built to perform in commercial settings.
Locking Mailboxes Built for Security and Durability
- Lockable doors, tamper-proof hardware and reinforced panels
- Indoor and outdoor installation options
- Heavy-duty steel or aluminum construction
- Optional tenant locks, master locks and rear-loading access
- USPS-approved for commercial mail delivery
Ideal for Commercial and Government Properties
Our locking commercial mailboxes support centralized delivery in a wide range of high-traffic locations.
- Office buildings and business parks
- Government agencies and military bases
- Apartment complexes and student housing
- Healthcare facilities and hospitals
- Financial institutions and industrial campuses
Custom Options Available
Match the needs of your site and simplify tenant identification with optional features.
- Multiple powder-coated finishes are available
- Tenant door labels, engraved numbering and parcel lockers
- Front- or rear-loading configurations for flexible access
USPS Requirements for Locking Commercial Mailboxes
All models comply with USPS specifications for commercial mail delivery.
- 4C mailbox compliance for new construction and centralized delivery
- CBUs, parcel lockers and horizontal mailbox layouts are available
- The local postmaster must approve final mailbox placement
Why Buy from U.S. Mail Supply
- Wide selection of USPS-approved models for every application
- Volume discounts available
- Trusted by contractors, architects, property managers, land developers, schools and municipalities across the U.S.
Contact our team today for help finding the best drop box solution for your property
What is a locking commercial mailbox?
Can I customize locking commercial mailboxes with labels or colors?
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