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Top 9July 2025

Best Small Locked Mailbox

We made a list of the top 9 Small Locked Mailbox based on verified reviews, popularity and other factors which we summarized for you in this list.

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Mail Boss 7506 Mail Manager Curbside Locking Security Mailbox, Black,Large

✓USPS Approved full-service residential locking security mailbox prevents mail-identity theft
✓QUALITY: 14- and 16-gauge galvanized welded steel construction defends against vandalism
✓SECURITY: Innovative baffle door accepts small parcels, packages, and a box of checks and also deters fishing
✓PATENTED: Includes patented Anti-Pry latch lock mechanism to prevent leveraged entry with a screwdriver & high security anti-drill, anti-pick 12-disc wafer lock
✓ACCESSORIES: Includes concealed outgoing mail clip, 3 keys, and required installation hardware

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Architectural Mailboxes 6200B-10 Oasis Classic Locking Post Mount Parcel Mailbox with High Security Reinforced Lock,Black,18.00 x 15.00 x 11.50 inches

Architectural Mailboxes

9.2

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✓Built Like a Tank: This heavy duty mailbox is made of galvanized steel, & built to last—perfect for anyone needing durable metal mail boxes for outside.
✓Dry Mail, Every Time: Weather-Tite stripping around the door keeps rain, snow, & dirt out—ideal for long-lasting residential mailboxes for outside.
✓Built for Big Deliveries: This extra large mailbox offers oversized space for multiple large packages, plus all your other curbside mailbox deliveries.
✓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 flag—assembly is quick & easy. Reminder: mounting hardware comes with all Architectural Mailboxes' compatible posts, not the mail box.
✓Post "H" Compatible: Made to mount effortlessly on all Architectural Mailboxes posts marked with letter H.
✓Secure Magnetic Closure: Keeps mail box door tightly shut to protect your curbside mailbox deliveries from wind and rain.
✓Modern Mailbox Style: Sleek, minimalist design - this black mailbox complements any home curbside.
✓Designed in the USA: Thoughtfully engineered with a focus on durability, function, and style.

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Metal Locking Mailbox Wall Mounted RustMail Case Lockable Mail Letterbox Suggestion Box for Home Office Outdoor Door, 10.24 x 5.71 x 2.75 Inch (Black)

✓Proper Size: our package consists of a delicate package mailbox and 2 keys, the size is about 10.2 x 5.7 x 2.7 inches, the appropriate size can be easily installed in the outdoor yard wall, will not take up too much space in your home, bring you convenience
✓Quality Material: our locked mailbox for outside is made of quality metal; The strong material can withstand the beating of wind and rain in the outdoors, it is not easy to rust and deform, can provide you with long term use, and provide tools for your daily life to receive letters
✓Delicate Design: the top of our mailbox wall mounted outdoor is designed with a rainproof cover, which can effectively prevent rain from entering the mailbox; There is a small square mouth under the cover, which can facilitate your daily delivery of letters and other items; The keyhole design of the product is on the front, which can facilitate you to take out the items in the mailbox at any time
✓Easy to Install: our blue key drop box for outside have been drilled on the back in advance, you can install nails and hooks in it, and then directly hang on the wall you need, doors, fences and other places, the simple installation process can be convenient for you to use, to bring you convenience
✓Wide Application: our lockable storage box features appropriate size, the back has a pre punched hole, not only can be convenient for you to hang them on the wall, but also can be hung on the door and fence, you can hang according to your needs, to bring convenience to your daily life

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20% Discount

Architectural Mailboxes Reliant™ Secure, Locking USPS Approved Heavy Duty, Steel Metal Post Mounted Mail Box for Outside, Black, Large Curbside Mailbox with Magnetic Door

ARCHITECTURAL MAILBOXES

9.0

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✓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.

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24% Discount

Architectural Mailboxes 6300B-10 Oasis 360 Locking Parcel Mailbox, Extra Large, Black, 6300B-10

ARCHITECTURAL MAILBOXES

8.9

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✓Built Like a Tank: This heavy duty mailbox is made of galvanized steel, & built to last—perfect for anyone needing durable metal mail boxes for outside.
✓Rust-Resistant from Top to Bottom: This post mounted mailbox features a tough, black powder-coat finish, adding an extra layer of protection to this curbside mailbox.
✓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 4 keys).
✓Install in Minutes: Fully assembled & ready to mount. Just note: mounting hardware comes with all Architectural Mailboxes' compatible posts, not the mail box.
✓Post "J" Compatible: Made to mount effortlessly on all Architectural Mailboxes posts marked with letter J.
✓Secure Magnetic Closure: Keeps mail box door tightly shut to protect your curbside mailbox deliveries from wind and rain.
✓Access from Your Side: The back door on this double door mailbox lets you retrieve mail without stepping into traffic—ideal for residential mailboxes on busy roads.
✓Designed in the USA: Thoughtfully engineered with a focus on durability, function, and style.

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KYODOLED Key Lock MailBoxes for Outside, Locking Wall Mount Mailbox, Security Key Drop Box for Letters Newspapers, Cards, 12.4H x 8.54L x 3.35W Inches, Black

✓HIGH-QUALITY, DURABLE: Mailboxes for Outside are made of strong steel and painted to effectively prevent rust, scratch-resistant ,this product will provide long-term durability and use for years .
✓SECURE DESIGN: The lockable wall mount mailbox is made of a strong metal with two keys, and it gives faster and more immediate access.
✓LARGE CAPACITY: Mail box fits hold multiple letters, newspapers, emails, etc., and also can accommodate letters from the family for a period of time. Size:12.4"x 8.54"x 3.35"
✓EASY INSTALLATION: Mail Drop Box has pre-drilled holes, mounting screws and simple 3 steps installation instructions. You can install it according to the instructions. It is simple and quick.
✓MODERN & STYLISH LOOK: Mail box with elegant and modern design , which is prefect to decorate the exterior of the house.Metal Wall-mounted Mail box with transparent cover,You don't have to open mailbox to see if there's a letter inside.Also, it is environmentally friendly paint, so it isn't harmful to the body.

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5% Discount

Locking Mailboxes Wall Mounted Vertical – Jssmst Key Lock Drop Mail Box Medium Capacity Galvanized Steel Cover Rust-Proof Metal Post Box, 12.6 x 8.5 x 3.4 Inch, Black, SM-0601L

✓LARGE CAPACITY: Jssmst mail box can hold magazine and large envelopes, it is able to hold days worth of mail at a time
✓EXTERIOR DIMENTIONS: 12.6 x 8.46 x 3.35 Inch; INSIDE STORAGE AREA MEASURES: 12.4 x 8.3 x 3.05 Inch
✓SECURITY WITH KEY LOCK: Jssmst mailbox includes key lock with 2 keys for security against theft
✓HEAVY DUTY AND WEATHERPROOF: Crafted with quality galvanized steel for strength and durability. Powder coated protect mails from heavy rain
✓EASY INSTALLATION: Jssmst mailbox includes pre-drilled holes, mounting screw and an instruction for easy installation

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Uniclife Wall Mount Mailbox for Outside, Locking Mail Box, Large Mailbox with Key Lock, Security Mail Box for House, Safe Key Drop Box, Post Box, Steel Cash Drop Box for Home Office School, Black

✓Wall-Mounted Mailbox: This wall mount mailbox is mainly used to store family mails or letters. Also work great as a secure drop box, deposit box, donation box, ballot box or even suggestion box. Ideal for homes, offices, schools, convenience stores, etc.
✓High Security: No unauthorized access! Equipped with a simple but safe metal lock, the locking mailbox can only be opened with the keys provided. Always keep your contents securely stored to ensure their security and confidentiality
✓Reliable Construction: Solidly constructed with 0.8 mm thick steel plate, the safe key drop box is robust and unlikely to be pried open to avoid forced entry. And the easy-to-open protective flap can effectively block splashing water or droplets, always keeping the inside items dry and intact
✓Ultra-large Capacity: Outer size: 10.3" L x 3.35" W x 13.8" H. Truly practical design with large storage space! Perfect for accommodating multiple letters, mails, newspapers, cash, documents, donations or ballots
✓Convenient Design: Feature a super large opening on top of the front! Easily drop items without unlocking the box. And the front clear window allows you to quickly see if there are any mails inside. Really time-saving for a busy bee

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Architectural Mailboxes Designer™ Locking, Vertical Wall-Mounted Mailbox for Outside, Modern Metal Galvanized Steel Medium Mail Box with Lock and Key Drop Box, Black with Optional Mail Emblem

ARCHITECTURAL MAILBOXES

8.5

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✓Constructed from rust-resistant galvanized steel for durability
✓Medium capacity accommodates average mail deliveries, allowing magazines and padded envelopes to lie flat
✓Smooth, black finish is powder-coated to withstand rust and elements and is complemented by brushed brass accents
✓Partial assembly required
✓Concealed locking compartment protects mail from theft and includes two keys for household access
✓Mounting template included (hardware sold separately)
✓Optional 'Mail' emblem can be omitted for a modern look
✓Delivery slot measures approximately 7.1" W x 0.8" H and is concealed under an easy-lift tab lid
✓Designed for installation in covered area such as a porch or under an eave