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📬 Elevate your curb appeal with the mailbox that means business.
The Architectural Mailboxes 950020B-10 Centennial Postmount Mailbox in black is a USPS-approved, extra-large metal mailbox designed for durability and convenience. Featuring weather-resistant galvanized steel construction with a powder-coated finish, it offers 2176 cubic inches of space to accommodate large packages and daily mail. Compatible with Architectural Mailboxes' Post 'F' mounts and equipped with a secure magnetic closure, this mailbox combines style, function, and easy installation for the modern homeowner.

































| ASIN | B078H74L7T |
| Access Location | Front |
| Best Sellers Rank | #12,661 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #7 in Post-Mount Mailboxes |
| Brand | ARCHITECTURAL MAILBOXES |
| Brand Name | ARCHITECTURAL MAILBOXES |
| Capacity | 2176 cubic inches |
| Color | Black |
| Customer Reviews | 4.7 out of 5 stars 3,274 Reviews |
| Global Trade Identification Number | 00832794007022 |
| Included Components | Instructions |
| Included Security Features | No additional security features |
| Item Dimensions D x W x H | 18.3"D x 14.2"W x 11.9"H |
| Item Highlight | Galvanized steel build for outside with rust-resistant powder-coat finish and a magnetic door closure. USPS approved. |
| Item Type Name | Post Mount |
| Item Weight | 11.2 pounds |
| Manufacturer | Architectural Mailboxes |
| Manufacturer Part Number | 950020B-10 |
| Manufacturer Warranty Description | 1 year limited lifetime warranty. |
| Material | Metal |
| Material Type | Metal |
| Model Number | 950020B-10 |
| Mounting Type | Post Mount |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Dimensions | 18.3"D x 14.2"W x 11.9"H |
| Security Features | No additional security features |
| Style Name | Contemporary |
| UPC | 832794007022 |
| Unit Count | 1 Count |
D**.
This mailbox is the best box hands down! (Coming from a postman)
This review is coming from your friendly neighborhood postman. I deal with literally every type of mailbox on the market. I originally went went with this style do to the quality of construction and larger package holding capacity. Beat up, small, broken flimsy boxes are a irritation of mine. My route doesnt include my own mailbox but I work with my mail lady and wanted to give her the same love I get from a few of my own customers. And I am so glad I did. First, over all materials are top of the line. The shell is made from thick steel and the paint job is perfect. What I wasnt expecting was some of the smaller details that will make this mailbox last pretty much forever. On my old box, which was only 8 years old maybe, the plastic flag and the magnet had both broken off this past year. The flag being plastic and the magnet housing, plastic as well. The plastic pins where the door pivots broke apart last year. None of that is going to happen with this mailbox. The flag is made of the same thick metal and strong. Its attached to a bracket with a rivet. That bracket is attached to the box with Nyloc nuts. These nuts will never loosen or back out. The pins on the door, are attached with pins that area held in with cotter pins. There is ZERO chance over the lifetime of this mailbox, that I will have to worry or replace either. The magnet, which is very powerful, is welded in place. There is no plastic at all on this entire mailbox. The only way this will ever fail is if the magnet loses its magnetism. Coming from a person whos job it is to deal with mailboxes, I am blown away at how much better this mailbox is then I was expecting it to be. You can go to a box store and buy a cheap box for $40 or you can spend $70 on this box and never have to worry about fixing it again. PLUS your mail carrier will absolutely love you! PLUS if you get a lot of packages, this box will fit a good portion of them. The people on my route who have this box, I am way more willing to do a little extra for because they are doing an little extra for me. Possible Cons: With the door being made of the thicker metal, it is a touch more heavy then your normal stamped mailbox door. This isnt a bad thing but as a mailman, I know I at least, tend to pop the doors open and let them fall as I am grabbing mail. The metal should be strong enough to hold up regardless but it would be an end all feature if the door had just the slightest amount of resistance to keep it from flopping open so hard. Second, you are going to want to make sure you have a solid enough post to attach this box to. Im going with a 6x6 post, concreted into the ground. You could get away with a 4x4 post but you are going to need to use concrete for sure and remember you are going to need 18-24 inches of the post in the ground. Then make sure you attach the box just as solid to the post as the post is to the ground. DO NOT use those dumb 2x2 metal post sets you can get at the box store. Even on the lightest of mailboxes they dont work. It most certainly will not work for this box. I am going to use 3/4 inch ply wood to fill the bottom of the underneath of the box and then attach that to a longer piece of 2x6 to bring it out a touch from the post to the road to be within the 8 to 10 inch spec.
T**R
Nicely made and very attractive
I got this box 'cause my rural mailman kept jamming boxes into my already oversized mailbox. The last package I had to use a box cutter to remove! This one is really well made; it has a powder coated paint finish that's attractive and looks like it will last. The door is solid and well hinged--the magnet that holds it closed is great. Defiantly a step up from my last box. It's plenty wide and high enough to hold most packages I get. There is one thing I didn't consider however--it's not as deep as my last box. It's only 16" deep while my neighbor's standard box is 18" deep. My prior oversize box was 20" deep. I don't know why they made them that short, but I'm pleased enough overall with the product that I'm keeping it. I do miss the back door my old one had though. . . .
T**T
Perfect Size
We needed a new mailbox and after looking around for a while, settled on this one. It has been a good choice. We are going on year two with this mailbox and it still looks new. Spiders do like it, so we have to keep it cleaned out, but I think any box would be like that. It is easy to open but stays closed well. It is clearly well made, with thick metal, and doesn’t seem cheap at all. Our mail person loves the size! This may be my favorite thing too. I’m so glad we bought an extra large mailbox because many of our packages fit right inside. Great value for the money.
G**B
Quality Issues but still good
I bought my first one through Warehouse Deals. It had sharp cracks in the metal around the edges of the front of the mail box. You could get cut putting in or retrieving mail. Must have been why it was a Warehouse Deal. Should have been trashed due to safety issue but inspections are hit and miss with Warehouse Deals. Bought a brand new one second time around. Door closure was way weaker than the first one. Where the mounting holes were drilled one had deep half circle scratch through the paint on the inside. Must have happened when they drilled the hole. QC at factory lacking for first and second mail box I got. Got a replacement for the second one. Door closure was firm. Could not find any factory defects. I like the mail box. Only gave it 4 stars for value because I had to wait 2 weeks to get a good one and made 2 trips to make a return. Had to eat a set of numbers because I didn't notice the sharp edges until I installed it. I bought the matching steel post. Said there should be 8 washers, 4 bolts & nuts. Only got 4 washers. Easier to buy at Lowe's than wait for replacements (less than $1 but an extra trip). Again factory not doing their job. This mailbox is great and I love the look & how much it holds. Good for me and the postal carrier. I like it very much and just wish it wasn't such a hassle to get it right. Once it is installed it doesn't look crazy big but it is very big. Very smart design. I mail and receive USPS boxes all the time and this is great that they fit in the mailbox. Very happy. It appears it will last a long time unless it gets hit.
D**I
Great quailty
Our mailbox broke so we had to replace it. THis came in one day and is great quality. I like that it has a magnet to snap it close shut. It is also large enough to fit small packages in. It was also inexpensive compared to other mailboxes.
H**E
Door hinge detached
love the look and size but having to repurchase. the door fell off.
H**L
Large
Great mailbox. Strong, nice looking and well made.
E**F
Large, heavy duty box for packages
This mailbox is huge & heavy! It is perfect for today's mail deliveries of packages and small/medium boxes from post office. Mail carrier wished everyone on his route had one, it would save so much time getting in and out of truck to bring a package to the door because it won't fit in traditional boxes. Heavy duty, sturdy construction. Solid door and closure .
A**E
Good looking, big and solid mailbox. Door may need some adjustment.
Nice and big and practical. Looks very good. Solid construction. On mine, the rim of the door rubs on the body in places requiring more than ideal force to open and close it. But I reduced this issue by bending the rim of the door outwards a bit in the spots it rubs. Now the door closes more comfortably. So I now have the first US style mailbox I've ever seen in Australia. I particularly like the large size and the handy flag feature on US mailboxes. And my postman is using is actually using the flag!
H**H
Package perfect!
This box is no joke. It’s way bigger than your standard mailbox. It’s sturdy and classy and doesn’t look oversized when driving by. It perfectly fits lots of mail and is very solid. I don’t recommend attaching it to a standard wood post. We fancied ours up with some nice stone and it looks amazing!
N**L
Boîte aux lettres solide !!
Magnifique boîte au lettres Quand même assez solide et facile d'installation Beaucoup d'espace pour les colis Porte aimanté qui empêche l'ouverture durant les vents fort....j'aime bien Je recommande !!
K**N
Well made.
Very happy with the mailbox. It’s packaged very well so no damage upon receiving . Ordered two prior to this one from another company both were damaged when I got them. It’s plenty large. I don’t think you would need anything larger.
M**M
Large mailbox
The mail delivery people appreciate the size of this mailbox. It is well constructed. We assembled our own wooden template to mount it on a wooden post. Door opens easily. From start to finish it took about an hour. It has been in place for about 6 weeks now and is weathering the elements and has not shown any sign of leaking. Searched quite a while to find a larger mailbox. Happy with the quality and the price.
Trustpilot
2 weeks ago
2 days ago