Top 10 Large Mailboxes for Outside With Post – Post-Mount Mailboxes

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1. ShoppingOnBed

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Mailboxes for Outside Post Mount, Black Locking Mailbox, Extra Large Mailbox, SoB Extra-Large Black Galvanized Steel Post-Mount Mailbox, 11.69in. W x 14.98in. H x 24.82in. L

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ShoppingOnBed #ad - Approved by the United States postal service postmaster general. Mounting bracket and hardware sold separately. W x 14. 98 in. The expansive body measures 11. 69 in. Heavy-duty galvanized steel construction provides strength, stability and resisting rust. Security: non-locking; capacity: 3175 cubic in. Weight:11. 5 lbs. Mailbox features a durable ribbed body and powder coat paint finish that adds strength and resistance against weathering. H x 24. 82 in. Extra-large capacity fits multiple packages, boxes, and padded envelopes, packages and boxes. D.
BrandShoppingOnBed #ad
ManufacturerShoppingOnBed #ad
Height14.98 Inches
Length24.82 Inches
Weight1 Pounds
Width11.69 Inches
Part NumberLarge Mailbox #1
ModelMailbox posts for outside #1

2. Gibraltar Mailboxes

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Gibraltar Mailboxes Gentry Large Capacity Double-Walled Plastic Mocha, GGC1M0000, All-In-One Mailbox & Post Combo Kit

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Gibraltar Mailboxes #ad - Ultra-violet inhibitor mocha finish prevents color from fading in the sun. Large capacity fits larger boxes, padded envelopes, and magazines laid flat. Made in the USA. Double-wall plastic construction is rust-proof and virtually indestructible. Box/post combo installs easily over the Gibraltar 4x4 Easy-Install Anchor Post Kit - APK00000 .
BrandGibraltar Mailboxes #ad
ManufacturerSolar Group #ad
Height9.9 Inches
Length40.5 Inches
Width16.8 Inches
Part NumberGC1M
ModelGGC1M0000

3. highwood

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Highwood AD-MLBX1-BKE Hazelton Mailbox Post, Black

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highwood #ad - Weatherproof - leave outside year-round. Will not crack, peel, or rot when exposed to the elements. 100% made in the usa - backed by US customer service and support. Durable material - assembled with 304 Grade Stainless Steel hardware. No sanding, staining, or painting - yet it looks like real wood. Easy to assemble see assembly guide - assembled dimensions are 5"W x 58"H x 28"D 24lbs.
Brandhighwood #ad
ManufacturerHighwood USA #ad
Height57.5 Inches
Length4.5 Inches
Weight24 Pounds
Width28 Inches
Part NumberAD-MLBX1-BKE
ModelAD-MLBX1-BKE
Warranty12- year residential limited warranty.

4. COLIBYOU

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Mailboxes for Outside, Large Mailbox., COLIBYOU Post Mount Mailbox Extra Large Postal Storage Box Gray Galvanized Steel Heavy

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COLIBYOU #ad - The post-mount mailbox has been redesigned and is now better than ever. Embossed with an american eagle for a traditional style, and painted with a powder-coat finish for lasting quality against outdoor weathering, the upholds its value. Perfect for high volume and large online deliveries. It comes fully assembled, ready to install. The mailbox is made of heavy-duty galvanized steel and now features a stronger, sturdier aluminum flag.
BrandCOLIBYOU #ad
ManufacturerNo #ad
Height50 Centimeters
Length100 Centimeters
Width100 Centimeters

5. Mayne

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White, Mayne 5830 CL Westbrook Plus Mailbox Post

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Mayne #ad - Unique new england styled product offering the timeless charm of the East Coast, installs easily over a standard 4x4 wood post. Includes decorative post, mailbox support arm, and planter - Note: 4x4 wood post, mailbox, and mailbox mounting hardware NOT included.

Best suited for light weight mailboxes weighing less than 7lbs. Products ships in 2 boxes standard post MP5802B / arm plus & planter MP5830B. Small mailbox recommended. Top inset panel on the post measures 1. 9in w x 25. 5in H. 15 year warranty – residential application, 5 Year Warranty – Commercial Application. Made in the USA. Mayne plastic mail posts are made from 100% high quality polyethylene with built in UV inhibitors for long lasting protection from the elements.
BrandMayne #ad
ManufacturerMayne #ad
Height56 Inches
Length40 Inches
Weight12.9 Pounds
Width8 Inches
Part Number5830-W
Model5830-WH
Warranty15-year limited warranty against fading, yellow and cracking.

6. Mayne

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Mayne 5846-BK Charleston Plus Mailbox Post, Black

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Mayne #ad - Note: 4x4 wood post, mailbox, and mailbox mounting hardware NOT included. 15 year warranty – residential application, 5 Year Warranty – Commercial Application. Mayne plastic mail posts are made from high quality 100% polyethylene with built in UV inhibitors for long lasting protection from the elements.

Includes decorative post and mailbox support arm with paper holder. Products ships in 2 boxes standard post mp5843w / arm & planter mp5810w. Made in the USA. Unique new england styled product offering the timeless charm of the East Coast, installs easily over a standard 4x4 wood post.

Additional measurements: Paper holder inset panel measures 3. 25in h x 105in l, top inset panel on the post measures 1. 85in w x 25. 6in H. Medium mailbox recommended, minimum 6 1/4 inch width paper holder mounting surface measures 6. 125in w x 17in l, best suited for mailboxes weighing less than 14lbs.
BrandMayne #ad
ManufacturerMayne #ad
Height58 Inches
Length26.5 Inches
Weight12.9 Pounds
Width8.5 Inches
Part Number5846-B
Model5846-BK
Warranty15-year limited warranty against fading, yellow and cracking.

7. Gibraltar Mailboxes

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Cross-Arm Mailbox Post, Gibraltar Mailboxes Whitley 4x4 Rust-Proof Plastic White, WP000W01

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Gibraltar Mailboxes #ad - All mounting hardware included. Compatible with all m and l capacity gibraltar Post-Mount Mailboxes like the E1100W00 and E1600W00 Installs easily over the gibraltar 4x4 Easy-Install Anchor Post Kit - APK00000 Heavy-duty plastic construction provides durability and protection against weathering. Made in the USA.
BrandGibraltar Mailboxes #ad
ManufacturerSOLAR GROUP #ad
Height7.63 Inches
Length51 Inches
Weight6.3 Pounds
Width4.25 Inches
Part NumberWP000W01
ModelWP000W01
Warranty90 days.

8. Custom-Pak

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Premium Mailbox Post Set Cross-Arm, Classic White

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Custom-Pak #ad - Made in the USA. Pre-assembled Easy to Install. Complete with post Cover, Mounting Plate, Hardware. Mailbox Sold Separately. Made with High Density Polyethylene.
BrandCustom-Pak #ad
Part Number9100-0074

9. Gibraltar Mailboxes

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Plain Packaging, Steel, Post-Mount Mailbox, Black w/Brushed Nickel, Brunswick Large

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Gibraltar Mailboxes #ad - Constructed from heavy-duty galvanized steel for extra strength and longevity. Large capacity accommodates high volume mail deliveries including padded envelopes, magazines, and small- to medium-sized packages.

Mounting hardware sold separately. Glossy black finish is powder-coated to resist rust and elements, while satin nickel finished accents provide appealing contrast. Match with gibraltar Mailboxes posts with the designation letter B. Fully assembled with pre-drilled holes on side and bottom to reduce installation time. Embossed sides can be used as guide to align address numbers. Frustration-free, plain, brown packaging. Magnetic latch ensures door stays firmly closed in between pickups.
BrandGibraltar Mailboxes #ad
ManufacturerSolar Group, Inc #ad
Height11 Inches
Length23 Inches
Weight9 Pounds
Width9 Inches
Part NumberBM16BSNEC
ModelBM16BSNEC
Warranty90 day-limited manufacturer warranty.

10. ARCHITECTURAL MAILBOXES

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Rubbed Bronze, Architectural Mailboxes 7980RZ Roxbury Kit Mailbox

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ARCHITECTURAL MAILBOXES #ad - Abs decorative shroud is UV stabilized for outdoor use and resists fading and discoloration. Mailbox combination includes heavy duty mailbox and premium galvanized steel decorative post. Includes mailbox, post, mounting hardware and instructions. Post mount mailbox is fully powder coated inside and out for corrosion resistance. Cantilevered upper post shroud covers any unsightly hardware.
BrandARCHITECTURAL MAILBOXES #ad
ManufacturerArchitectural Mailboxes #ad
Height20.56 Inches
Length62.77 Inches
Weight100 Kilograms
Width8.85 Inches
Part Number7980RZ
Model7980RZ
WarrantyLimited lifetime.