3800 Series Surface-Mount 4-Compartment Mailbox

Durable 4C horizontal mailbox unit housed in a surface-mounted enclosure for locations without deep walls. Built from heavy-duty aluminum with stainless steel hardware, it’s ideal for apartments, commercial buildings, and residential developments with USPS access.

---

Key Features:

• Surface-Mount Convenience: Installs where recessed mounting isn’t possible, for indoor or outdoor use.
• Heavy-Duty Construction: Aluminum body with stainless steel hardware and powder-coated finish for long-lasting performance.
• USPS-Ready Access: Front-loading design with carrier access door for USPS-provided master arrow lock.
• Secure Compartments: Individually numbered doors with heavy-duty cam locks; integrated parcel locker included.
• Outgoing Mail Management: Labeled slot with weather hood and anti-fish plate to prevent tampering.

Please check the Product Data Sheet Here

---

Specifications Table:

Specification	Details
Series	3800 Series 4C horizontal mailbox
Mounting	Surface-mounted enclosure
Loading/Access	Front loading; carrier access door for USPS master arrow lock
Construction	Heavy-duty aluminum with stainless steel hardware
Finish options	Powder-coated in aluminum, bronze, sandstone, or black
Unit size	17.75" W x 57.75" H x 17" D
Weight	130 lbs
Doors	Individually numbered compartments with heavy-duty cam locks and dust/rain shields; includes 3 keys per door
Outgoing mail	11-3/4" W x 3/4" H slot with weather protection hood; anti-fish plate; labeled 'Outgoing Mail'
Parcel locker	Fully integrated locker (PL4.5 height 15-1/2")
Compliance	USPS 4C compliant; ADA height compliant units available
Columns	Single column (1 door wide); configurations also available in double column
Door sizes	MB1 3-1/4" H x 12-3/4" W; MB2 6-3/4" H x 12-3/4" W; MB3 10-1/4" H x 12-3/4" W; MB4 13-3/4" H x 12-3/4" W

---

Frequently Asked Questions (FAQ):

Q: Is this unit USPS compliant?
A: Yes. It includes a USPS master lock access door (lock installed by USPS) and meets 4C standards.

---

Q: Can it be installed outdoors?
A: Yes, it’s designed for indoor or outdoor use with a durable powder-coated finish.

---

Q: How is outgoing mail handled?
A: A dedicated, labeled outgoing mail compartment includes a 11-3/4" W x 3/4" H slot with a weather protection hood and anti-fish plate.

---

Q: What configurations are available?
A: Units are offered in multiple heights and configurations, including single and double column layouts; custom units and colors are available.

---

Q: What materials are used?
A: Heavy-duty aluminum construction with stainless steel hardware for durability and corrosion resistance.

---

Streamlined Mailroom Elegance

This sleek, powder-coated mailbox column brings order and refinement to shared spaces. The rhythmic, numbered doors and integrated parcel locker create a modern, architectural grid that feels tailored and intentional. Style it against a neutral wall with clean signage for a polished lobby statement. A smart, secure essential that elevates daily living with quiet luxury.

---

Upgrade your building with a secure, USPS-ready surface-mount mailbox that installs easily and stands up to daily use.

Installation