Reliant Locking Post Mount Mailbox

Hands Off Your Mail: A concealed locking compartment ensures your mail stays safe & out of sight in this secure mail box for outside use.

Weather Tough, Year-Round: Rain, snow, or sun—galvanized steel construction makes this mail box one of the most reliable metal mailboxes for outside use.

Spacious, Not Oversized: Large mailboxes for outside offer plenty of room for mail, plus multiple packages—without looking bulky at your curbside.

USPS Approved Peace of Mind: Built tough this USPS Approved locking mailbox is one of the most reliable mailbox with lock for outside (includes 2 keys).

Simple Setup: Just attach the mail clip—assembly is quick & easy. Reminder: mounting hardware comes with all Architectural Mailboxes' compatible posts, not the mail box.

Post "C" Compatible: Made to mount effortlessly on all Architectural Mailboxes posts marked with letter C.

Secure Magnetic Closure: Keeps mail box door tightly shut to protect your curbside mailbox deliveries from wind and rain.

Classic Look, Lasting Appeal: Iconic, timeless post mount mailbox style complements both new & historic homes, making it a versatile choice for any setting.

Designed in the USA: Thoughtfully engineered in the United States with a focus on durability, function, and style.

Available Colors

SKU: MB981WAM

WHERE TO BUY

The Reliant locking mailbox is curbside confidence in a clean, modern shell. Made from heavy-duty galvanized steel, this metal mailbox is tough and stylish without trying too hard.

Mail drops through a hidden slot into a locked compartment easy for your carrier, secure for you. It comes with two keys, a magnetic latch to keep the door closed tight, and smooth steel piano hinges built to last.

This large mailbox handles letters, magazines, and small padded mailers with room to spare. It even includes a mail clip for outgoing items. Fully assembled with pre-drilled holes make installation quick and easy.
Whether you're shopping for mailboxes for outside, a trusted curbside mailbox, or a USPS approved locking mailbox, the Reliant has your back and your mail.

Access Type
Front
Assembled Dimensions
10.84" H x 10.77" W x 21.98" D
Color
White
Compatibility Code
C
Mailbox Security
Locking
Mailbox Size
Large
Material
Galvanized Steel
Warranty
5 Year
Weight
13.2 lbs

Stamped with USPS Approval

Did you know? Every curbside mailbox has to get the thumbs-up from the United States Postmaster General. These mailboxes meet tough rules to keep your mail safe, easy to grab, and well protected.

Tested, Trusted, Approved

Stay delivery-ready with a USPS approved mailbox that meets every standard.


Deliveries Depend on It

Stay delivery-ready with a USPS approved mailbox that meets every standard.


Don’t Settle for “Standards”

Some mailboxes claim to “meet standards,” but only USPS approval guarantees smooth delivery.