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📬 Elevate your curb appeal with security and style — mailboxes that mean business!
The Architectural Mailboxes 6300B-10 Oasis 360 is a heavy-duty, USPS approved locking mailbox made in the USA from galvanized steel. Featuring a spacious 1534 cubic inch capacity, double-door access for safe mail retrieval, and a weather-resistant black powder-coat finish, it combines durability, security, and sleek design for the modern home. Includes 4 keys and mounts easily on compatible posts.

































| ASIN | B0773QDGBR |
| Access Location | Front |
| Best Sellers Rank | #12,724 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #8 in Post-Mount Mailboxes |
| Brand | ARCHITECTURAL MAILBOXES |
| Brand Name | ARCHITECTURAL MAILBOXES |
| Capacity | 1534 cubic inches |
| Color | Black |
| Customer Reviews | 4.6 out of 5 stars 4,128 Reviews |
| Global Trade Identification Number | 00832794006087 |
| Included Components | Mailbox, keys |
| Included Security Features | lock |
| Item Dimensions D x W x H | 20"D x 11.4"W x 11.5"H |
| Item Type Name | Post Mount |
| Item Weight | 15.8 pounds |
| Lock Type | keyed |
| Manufacturer | Architectural Mailboxes |
| Manufacturer Part Number | 6300B-10 |
| Manufacturer Warranty Description | Limited lifetime. |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Model Number | 6300B-10 |
| Mounting Type | Post Mount |
| Number of Items | 1 |
| Product Dimensions | 20"D x 11.4"W x 11.5"H |
| Security Features | lock |
| Style Name | Contemporary |
| UPC | 832794006087 |
| Unit Count | 1 Count |
I**T
Elegance through simple design, sturdy build quality, secure mail.
I highly recommend the Oasis 3600 locking mailbox. Highs: Pleasing, simple look. Sturdy, weather-resistant build quality. Joints/seams are weather-sealed. Magnetic latch ensures door stays shut even in windy weather. Hopper-type door ensures mail and small packages and all your mail yet prevents theft. Both front and rear access to mail retrieval. Manufacturer provides four (4) keys! Lows: If mounting to a post, the post and the mounting hardware are sold separately. Not the friendliest design for outgoing mail. We wanted a curved design to ensure that gravity takes the rain off the mailbox—it does! I chose the satin black finish. This is a powdercoated finish. I’ve heard of people applying car wax to further protect the finish. I live in a rainy area and so that might be something that I’ll do regularly. Mounting was easy and is done from the inside. There are four (4) 3/8 inch holes spaced 4 inches and 10 inches apart. Since my mailbox sits atop a platform custom build atop a chain link fence rail, I used a 1 inch thick plywood base, and secured the mailbox using 5/16 inch diameter lag screws fitted with flat washers. I chose larger screws because this mailbox is heavy—about 14 Lbs. I chose black color because it will be easy to touch any dings that will inevitably happen in the coming years. I have some recent history with this very mailbox because I installed this exact unit at my business property a year ago. It has performed so well, and since we had recent mail theft at home, that it was time for an upgrade. I expect this mailbox to last decades.
A**F
Very good quality, well made and elegant mail box.
A very durable, very good quality mailbox. It holds a large amount of mail, well made and looks very good. I am very pleased with the purchase. It is not too heavy. I purchased a sturdy post to go with it.
E**A
Solid, Secure, Built to Last!
I’m extremely pleased with the Architectural Mailboxes Oasis 360. The build quality is outstanding — heavy-duty metal construction that feels solid the moment you unbox it. It has a nice weight to it, which adds to the sense of durability and stability once installed. The security is top-notch. The lockability feature works smoothly, and the locking mechanism feels sturdy, not flimsy like cheaper models. I can finally say this mailbox really keeps thieves away — I’ve had no issues with mail tampering since upgrading to this model. It’s also USPS approved, which gave me peace of mind that it meets postal standards. After several months outside, I’ve noticed no signs of rust, even through rain and humidity. The finish still looks brand new. Overall, it’s a well-engineered, rust-resistant, and highly secure mailbox that’s worth every penny. Perfect if you want both protection and style in one package.
F**B
Great box for security and volume
Great XL mailbox. The size as liking design are great for security and being away. It will hold several weeks of mail and junk mail. The bronze looks great. Best looking box on my street.
T**M
Very good item, installation difficulty can vary
As far the the product, it looks very good, very large, and seems sturdy. Since the mail can only be retrieved through a key, it gives you a piece of mind from mail theft. The lock mechanism, however, is not very smooth. Key requires a bit of force to push in. And the price of the item seems very excessive. I'd think a fair price for this would be $50, but it's being sold for $100. Anyways, that's that about the mail box. About the installation. I'm reading the reviews, and most seem to have had an easy time installing it. I guess this depends on whether your mail post is adaptable for this mail box. My mail post wasn't. It was built by my previous home owner, and he custom made it. I had to get a 1/10 lumber, and cut it to length, drill holes, get myself mounting hardware which does not come with the mail box. To cut the lumber I had to use a circular saw. All those additional materials and supplies cost me another $25 on top. And that's assuming you already have yourself a circular saw, and know how to use it safely. Installation, not counting the drives to HomeDepot, took just shy of an hour. So I wouldn't say my installation process was "easy". It wasn't hard, but it took effort, and existing power tools. All in all, I really like the final result, and the mail box itself. Except it's just a bit expensive.
T**A
Perfect!
Exactly as shown! Easy to install and use. Been using for months now with no issues!! Our mail is now secure!
M**K
Great mailbox
Great mailbox sturdy good quality
L**N
Perfect!!
This mailbox is HUGE!! Definitely not a disappointment!
R**S
DISEÑO VERSATIL
ME GUSTÓ QUE TIENE PUERTAS POR LOS DOS LADOS ASI QUE APROVECHE PARA PONERLO DENTRO DE LAS REJAS DE MI CERCO
J**F
Boîte aux lettres
Belle boîte, elle est solide, le fini semble de bonne qualité
P**R
Die beste Mailbox, die wir kennen!
Wir lieben unsere neue US-Mailbox. Verarbeitung ist spitze, die Usability selbsterklärend. Es ist der beste Postkasten, den wir je hatten.
E**I
Perfect for my needs
Needed a new mailbox that could bolt directly to a besa brick wall and this was perfect. Still get some ailly Amazon drivers putting parcels that would fit in it, outside next to it on the ground. I mean it's not that hard to work out. And being in Oz, nobody sets the flag. Not that I care at all.
S**P
Toller Briefkasten im amerikanischen Stil
Wir waren auf der Suche nach einem Briefkasten im amerikansichen Stil und dieser passt super! Er ist echt riesig und kleine Pakete in A4 passen auch gut rein. Bei uns steht er seit gut einem Jahr im Vorgarten und trotz bisher allen Wetterereignissen! Das Fähnchen ist hier in Deutschland natürlich überflüssig, aber manch ein Briefzusteller klappt es hoch, wenn Post drin ist!
Trustpilot
1 month ago
2 weeks ago