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Top 10
August 2025
Best Post Mount Classic Mailbox Outside
We made a list of the top 10 Post Mount Classic Mailbox Outside based on verified reviews, popularity and other factors which we summarized for you in this list.
Best Choice
1
Step2 Town-to-Town XL Post-Mount Mailbox, Weather Resistant, Large Outdoor Mailboxes, Made of Durable Plastic, Easy to Install, USPS T4 Sized Mailbox, Flag Included, Onyx Black
Step2
9.4
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EXTRA LARGE: USPS T4 sized mailbox spacious design accommodates mail and small packages, flag included, mailpost not included
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SECURE DOOR: Magnetic closure to ensure door stays closed, protecting your mail or packages, raise the flag, ideal for residential locations
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WEATHER-RESISTANT: Withstand diverse weather conditions, rain, sleet, snow, and sun, steel-plate reinforcement for stability during blustery days
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EASY TO ASSEMBLE: Easily mount on most standard mail posts (post not included), assembled dimensions 14" H x17" W x 20" D
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DURABLE: Built to last, double-walled plastic construction, years of use with colors that won't chip, fade, crack, or peel
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2
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.
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Dry Mail, Every Time: Weather-Tite stripping around the door keeps rain, snow, & dirt out—ideal for long-lasting residential mailboxes for outside.
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Built for Big Deliveries: This extra large mailbox offers oversized space for multiple large packages, plus all your other curbside mailbox deliveries.
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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).
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Simple Setup: Just attach the flag—assembly is quick & easy. Reminder: mounting hardware comes with all Architectural Mailboxes' compatible posts, not the mail box.
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Post "H" Compatible: Made to mount effortlessly on all Architectural Mailboxes posts marked with letter H.
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Secure Magnetic Closure: Keeps mail box door tightly shut to protect your curbside mailbox deliveries from wind and rain.
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Modern Mailbox Style: Sleek, minimalist design - this black mailbox complements any home curbside.
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Designed in the USA: Thoughtfully engineered with a focus on durability, function, and style.
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31% Discount
3
Architectural Mailboxes Chadwick Galvanized Steel Post Mount Mailbox, 8950B-10, Black, Medium Capacity
ARCHITECTURAL MAILBOXES
9.1
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Steel reinforced opening resists abuse
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Cast aluminum handle
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Fully powder coated inside and out
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Durable galvanized steel for longevity
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Mailbox measures 21 in. x 6.61 in. x 8.8 in.
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Works with basic post model 7505B-10, Works with basic post with decorative cover model 7507B-10 and Works with standard post model 5525B
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24% Discount
4
Architectural Mailboxes 6300B-10 Oasis 360 Locking Parcel Mailbox, Extra Large, Black, 6300B-10
ARCHITECTURAL MAILBOXES
9.0
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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.
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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.
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Spacious, Not Oversized: Large mailboxes for outside offer plenty of room for mail, plus multiple packages—without looking bulky at your curbside.
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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).
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Install in Minutes: Fully assembled & ready to mount. Just note: mounting hardware comes with all Architectural Mailboxes' compatible posts, not the mail box.
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Post "J" Compatible: Made to mount effortlessly on all Architectural Mailboxes posts marked with letter J.
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Secure Magnetic Closure: Keeps mail box door tightly shut to protect your curbside mailbox deliveries from wind and rain.
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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.
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Designed in the USA: Thoughtfully engineered with a focus on durability, function, and style.
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20% Discount
5
Architectural Mailboxes Parsons Medium Capacity, Plastic Post Mount Mailbox, Black
ARCHITECTURAL MAILBOXES
8.9
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Constructed from rust-proof polypropylene plastic for durability against wear and impact
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Medium capacity accommodates average volume mail deliveries including padded envelopes, magazines, and small-sized packages
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UV inhibitor finish protects against weathering
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Fully assembled with pre-drilled holes on side to reduce installation time
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Match with Architectural Mailboxes posts with the designation letter A
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Mounting hardware sold separately
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20% Discount
6
ARCHITECTURAL MAILBOXES Gibraltar Mailboxes Arlington Large Capacity Galvanized Steel Textured Black, Post-Mount Mailbox, AR15B000
ARCHITECTURAL MAILBOXES
8.8
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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.
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Spacious, Not Oversized: Large mailboxes for outside offer plenty of room for mail, plus multiple packages—without looking bulky at your curbside.
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USPS Post Master General Approved: Mailbox is USPS approved, as required for all curbside delivery by U.S. Mail carriers - for smooth, uninterrupted service.
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Simple Setup: Just attach the flag & handle—assembly is quick & easy. Reminder: mounting hardware comes with all Architectural Mailboxes' compatible posts, not the mail box.
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Post "B" Compatible: Made to mount effortlessly on all Architectural Mailboxes posts marked with letter B.
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Secure Door Closure: Roller catch latch keeps the mail box door firmly shut, even in wind and weather.
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Easy Address Display: Embossed area on the outside mailbox door makes adding house numbers simple and stylish for quick identification.
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From Our Home to Yours: Thoughtfully designed & assembled right here in the USA.
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7
Architectural Mailboxes Classic Plastic Mailbox and Post Kit, GCL100MAM, Mocha
ARCHITECTURAL MAILBOXES
8.7
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One Purchase, Zero Guesswork: Skip the stress of mixing and matching—this mailbox with post for outside is designed to fit together seamlessly.
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Rust-Proof, Worry-Free: Made from durable double-walled plastic, this mail box with post for outside stands up to rain, snow, & humidity without ever rusting.
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Sun-Safe Protection: Built-in UV inhibitors help maintain the mailbox’s color and finish.
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Perfect Everyday Size: Medium size offers plenty of space for daily mail, magazines, & small packages—perfect for most curbside mail boxes for outside.
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USPS Post Master General Approved: Mailbox is USPS approved, as required for all curbside delivery by U.S. Mail carriers - for smooth, uninterrupted service.
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Simple Assembly: Includes all required hardware and easy to follow instructions.
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Effortless Installation: Simply slide the post sleeve over a standard 4x4 wooden post and secure with included screws.
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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.
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From Our Home to Yours: Built with care—this product is designed & made in the USA.
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23% Discount
8
Architectural Mailboxes Mailbox-to-Go Weather-Resistant Steel Metal Mail Box for Outside with Post, Black, Medium Curbside Mailbox, USPS Approved for Residential Delivery
ARCHITECTURAL MAILBOXES
8.6
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All-in-one mailbox & post combo includes: mailbox, mounting bracket, hardware, in-ground mailbox post
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Included Components: mounting_hardware
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Item model number: T11KIT0BAM
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Item Weight: 9.93 pounds
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25% Discount
9
Architectural Mailboxes Landover Aluminum Mailbox Post, Black
ARCHITECTURAL MAILBOXES
8.5
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Constructed from rust-resistant aluminum for durability and strength
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Conveniently installs over an existing 4×4 wooden post (sold separately)
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Supports up to 60 lbs. evenly distributed
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Powder-coated finish protects against weathering
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Compatible with most mailboxes - perfectly fits Architectural Mailboxes with Match codes A, B, or C
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Assembly required prior to installation
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Mounting and installation hardware included for easy setup
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Mailbox and 4×4 wooden post are sold separately
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Wide steel cross arm coupled with decorative finial adds curb appeal to any residence
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Conveniently installs over an existing 4x4 wooden post (sold separately)
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31% Discount
10
Mayne Newport Plus Mailbox Post with Standard Arm – Weather-Resistant, Durable Classic Design – Easy-to-Install Outdoor Mailbox Post
Mayne
8.4
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Fade resistant for lasting elegance and durability
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Supports mailboxes up to 8lbs; fits standard 4x4 post.
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Ships in 2 boxes (post/support arm)
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4x4 post, mailbox and mailbox mount not included
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Made in the USA – 15-year limited warranty
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