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SKU #: GDM1056

GDM Mailbox Company Newport Mailbox Post

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GDM Mailbox Company Newport Mailbox Post

While overseeing the entire production phase under one roof, GDM keeps in mind their mission to surpass customer expectations in quality, price and delivery. Being committed to this mission since 1992 has earned GDM the reputation of having the highest quality products in the business. All of the mailboxes are engineered, manufactured, and packed right here in USA complete with a limited lifetime warranty. The Newport mailbox post offers support for your mailbox. Built from premium, heat treated aluminum. The stylish design provides the sturdy support needed for your sturdy mailbox.


  • Mounting kit required for mailbox installation
  • Works with any GDM mailbox
  • Each post has a resilient
  • Constructed of premium, heat treated aluminum
  • Made in the USA


  • Overall: 66" H x 4" W x 20" D
  • Overall Product Weight: 25lbs

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GDM Mailbox Company Newport Mailbox Post

Weights & Dimensions

  • Overall: 66" H x 4" W x 20" D
  • Mailbox Support Arm: 43" H x 2" W x 14.5" D
  • Mounting Plate: 1" H x 4" W x 14.5" D
  • Overall Product Weight: 25lbs


Product Type: Mailbox post and standMount Type: In-ground
Style: ModernHardware Finish: Stainless steel
Powder Coated Finish: YesPrimary Material: Aluminum
Hardware Material: Stainless steelWeather Resistant: Yes
  • Weather Resistant Details: Polyester powdercoat finish
Water Resistant: Yes
  • Water Resistant Details: Polyester powdercoat finish
Scratch Resistant: Yes
Shatterproof: YesHeat Resistant: Yes
Rust Resistant: YesCorrosion Resistant: Yes
Fade Resistant: YesMildew Resistant: Yes
UV Resistant: YesWarp Resistant: Yes
Chip Resistant: YesTarnish Resistant: Yes
Fire Resistant: YesImpact Resistant: Yes
Hardware Included: YesLights Included: No
Newspaper Holder: NoFinials: Yes
Flower Box: NoIlluminated: No
Mailbox Weight Capacity: 40 PoundsOutdoor Use: Yes
Commercial Use: YesEco-Friendly: Yes
Product Care: Wash and wax with automotive safe productsCountry of Manufacture: United States


Assembly Required: Yes
  • Tools Needed for Assembly: Wrench, screwdriver
Installation Required: Yes


Product Warranty: Limited lifetime 

About the Manufacturer

The GDM Mailbox Company has manufactured high-quality mailboxes since 1992. They are centrally located in the United States, with a factory that contains the entire manufacturing process under one roof. From engineering, fabricating, powder coating, quality control, and packaging, GDM oversees the entire production process. This ensures the quality coming out of the factory meets their high standards. This method of production has led to GDM being noted for having some of the highest quality products in the business.

There is a large selection of mailboxes and posts in different sizes that are available in stainless steel or aluminum, with different colors and finishes as well. With uncompromised style, one is able to customize their individual preferences while still having the security of solid, dependable construction. GDM makes its products to high standards which includes a 3-stage baked powder coating. This means the durability of their product will be matched by its long-lasting good looks. GDM mailboxes will even stand up to many common types of vandalism.

GDM prides itself on being a company that sticks to their mission: "...to surpass customer expectations in quality, service, price, and delivery."


The Newport Mailbox Post is a Modern style product. Modern style is very sleek with clean lines, and generally incorporates high gloss using whites, greys, and blacks. A focus on geometry and angular shapes is a hallmark of modern design. Glass and leather are also seen a lot with modern style. You can shop for more Modern Mailbox Posts & Stands in the Patio & Garden section of our site.

GDM Mailbox Company Newport Mailbox Post

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When you buy a GDM Mailbox Company Newport Mailbox Post online from Wayfair, we make it as easy as possible for you to find out when your product will be delivered. You can check on a delivery estimate for the GDM Mailbox Company Part #: NPTPOST here. If you have any questions about your purchase or any other Mailbox Posts & Stands product for sale our customer service representatives are available to help.Whether you just want to buy a GDM Mailbox Company Newport Mailbox Post or shop for your entire home, Wayfair has a zillion things home.
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Customer Reviews

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Tell us what you think about the Newport Mailbox Post. It will help us provide you with better products in the future and help your fellow Wayfair shoppers make better purchases.

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Average Overall Rating
(based on 6 reviews)

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Excellent quality heavy duty mailbox post

Erica from Wappingers Falls, NY– Verified Buyer

Love this mailbox post. The white does come with the pyramid looking finial and not the ball, which I was happy about. The powder coating looks great, no blemishes that I can see. We only just installed the mailbox but I don't think we will have any problems with the snow plow this winter - this thing is sturdy!

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Built like a tank

Mark E from New York

I bought this last year and was impressed by how solid it was. Far too many posts are thin steel and plastic. This is all metal and lots of it. The best part is 4" square tube aluminum base. No weak angle iron here. The reason I'm back is because it was hit by a car and I need a replacement.

The lower cast arm is undamaged. The flat mailbox plate is mildly bent at the back flange. The force ripped the bolts out of the post. But the post is standing straight and tall. There is no tilt, no shake, no bend to the post. It is STILL ROCK SOLID!

Was this helpful? Yes2 No0

Great product, even better customer service

Harry from Haverford, PA– Verified Buyer

The product is of excellent quality, easily installed. Make sure you order "mounting bracket" to attach your mail box. I was most impressed with the Wayfair customer service. I screwed up and ordered the wrong post, they expeditiously replaced for correct model.

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Works Great

Susan from Lewes, DE– Verified Buyer

I think the quality was good and it is everything I expected it to be. The delivery was on time and assembly was easy too.

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Stanley from Jackson, NJ– Verified Buyer

I needed the post for a month. I had to wait for a mailbox also. The post came first it is very study. I couldn't wait any longer for mailbox. I had to go somehre els.

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from Iowa– Verified Buyer


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Newport Mailbox Post is also sometimes listed under the following manufacturer numbers: NPTPOST W/O NH-B, NPTPOST W/O NH-BZ, NPTPOST W/O NH-W, NPTPOST-SS