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Updated: 17 Apr 2026

10 Best Mailbox Posts Mount

#1 Best Pick
Architectural Mailboxes 7600R MB1 Post Mount Mailbox Red with Silver Flag MB1 Post Mount Mailbox, Medium

Architectural Mailboxes 7600R MB1 Post Mount Mailbox Red with Silver Flag MB1 Post Mount Mailbox, Medium

Brand: ARCHITECTURAL MAILBOXES
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  • Embossed sides allow for Personalization with house numbers or other adornment
  • Constructed of galvanized steel and fully powder coated inside and out
  • Durable contrasting ABS flag and easy to open thumb latch already attached to front access door requiring no additional assembly
  • Floor is predrilled with mounting holes in a pattern of 10 in. X 4 in. And also 5 in. X 5 in giving you options If you are replacing an existing mailbox
  • Approved by usps
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#2 Best Value
Architectural Mailboxes 8830RZ-10 Winston Post Mount Mailbox, Rubbed Bronze

Architectural Mailboxes 8830RZ-10 Winston Post Mount Mailbox, Rubbed Bronze

Brand: ARCHITECTURAL MAILBOXES
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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.
  • Rust-Resistant from Top to Bottom: This post mounted mailbox features a tough powder-coat finish, adding an extra layer of protection to this curbside mailbox.
  • Perfect Everyday Size: Medium size offers plenty of space for daily mail, magazines, & small packages—perfect for most curbside mail boxes for outside.
  • USPS Post Master General Approved: Mailbox is USPS approved, as required for all curbside delivery by U.S. Mail carriers - for smooth, uninterrupted service.
  • 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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#3 Budget Pick
Architectural Mailboxes 8830B-10 Winston Nickel Flag Post Mount Mailbox, Medium, Black

Architectural Mailboxes 8830B-10 Winston Nickel Flag Post Mount Mailbox, Medium, Black

Brand: ARCHITECTURAL MAILBOXES
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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.
  • 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.
  • Perfect Everyday Size: Medium size offers plenty of space for daily mail, magazines, & small packages—perfect for most curbside mail boxes for outside.
  • USPS Post Master General Approved: Mailbox is USPS approved, as required for all curbside delivery by U.S. Mail carriers - for smooth, uninterrupted service.
  • Install in Minutes: Fully assembled & ready to mount. Just note: mounting hardware comes with all Architectural Mailboxes' compatible posts, not the mail box.
Check latest price on Amazon
#4 Top Choice
Architectural Mailboxes 7680B-10 MB1 Mount Mailbox and In-Ground Post Kit, Medium, Bl

Architectural Mailboxes 7680B-10 MB1 Mount Mailbox and In-Ground Post Kit, Medium, Bl

Brand: ARCHITECTURAL MAILBOXES
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  • Usps approved MB1 mailbox, in-ground post, hardware and installation instructions included
  • Fluted ABS mailbox mounting plate attaches to post to provide aesthetic design
  • 2-part steel 53 inch in-ground post with heavy gauge steel connector for rigidity
  • Constructed of fully powder coated steel and ABS parts for longevity
  • Usps approved mailbox measures 6.9 in. W x 8.7 in. H x 20.2 in. D
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#5 Popular Choice
Architectural Mailboxes 7600P MB1 Post Mount Mailbox Pewter with Red Flag MB1 Post Mount Mailbox, Medium

Architectural Mailboxes 7600P MB1 Post Mount Mailbox Pewter with Red Flag MB1 Post Mount Mailbox, Medium

Brand: ARCHITECTURAL MAILBOXES
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  • Classically shaped in a refreshed design with embossed door and side panels provide a place for house numbers to be applied
  • Reinforced door bracket for added rigidity
  • Front access door opens wide to allow for easy mail removal
  • Predrilled 4 in. x 10 in. mounting holes in floor allows for easy installation
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#6 Top Pick
Mail Boss 7124 In-Ground Mounting Post, 43 x 4 x 4 inches, for Use with Mailbox, Wood Grain

Mail Boss 7124 In-Ground Mounting Post, 43 x 4 x 4 inches, for Use with Mailbox, Wood Grain

Brand: Mail Boss
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  • Post made of heavy-duty 10- and 14-gauge electrogalvanized steel
  • Features durable powder-coated finish
  • Can be used with a wooden post for deep in-ground installations
  • Includes 4 mounting bolts and clear instructions
  • Accepts all Mail Boss brand Locking Security Mailboxes
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#7 Top Pick
Architectural Mailboxes Chadwick Galvanized Steel Post Mount Mailbox, 8950B-10, Black, Medium Capacity

Architectural Mailboxes Chadwick Galvanized Steel Post Mount Mailbox, 8950B-10, Black, Medium Capacity

Brand: ARCHITECTURAL MAILBOXES
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  • Steel reinforced opening resists abuse
  • Cast aluminum handle
  • Fully powder coated inside and out
  • Durable galvanized steel for longevity
  • Mailbox measures 21 in. x 6.61 in. x 8.8 in.
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#8 Top Pick
Architectural Mailboxes 7980B-10 Roxbury Mount Mailbox and Premium Steel Post Combo, Medium, Black

Architectural Mailboxes 7980B-10 Roxbury Mount Mailbox and Premium Steel Post Combo, Medium, Black

Brand: ARCHITECTURAL MAILBOXES
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  • USPS Approved Roxbury Mailbox, in ground post, decorative shrouds, hardware and installation instructions included
  • Mailbox and in ground post are fully powder coated for corrosion resistance
  • Cantilevered ABS upper post shroud covers any unsightly hardware
  • ABS decorative shrouds are UV stabilized for outdoor use and resist fading and discoloration
  • USPS Approved Mailbox measures 8.8 in. W x 10.9 in. H x 20.6 in. D In ground post is 64.5 in. H.Material Type: Galvanized Steel Abs.Included Components: Mailbox In Ground Post Post Cover Upper Shroud Installation Hardware
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#9 Top Pick
Architectural Mailboxes 7600BE MB1 Post Mount Mailbox Blue with Red Flag MB1 Post Mount Mailbox, Medium

Architectural Mailboxes 7600BE MB1 Post Mount Mailbox Blue with Red Flag MB1 Post Mount Mailbox, Medium

Brand: ARCHITECTURAL MAILBOXES
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  • Classically shaped in a refreshed design with embossed door and side panels provide a place for house numbers to be applied
  • Reinforced door bracket for added rigidity
  • Front access door opens wide to allow for easy mail removal
  • Floor is predrilled with mounting holes in a pattern of 10 in. X 4 in. And also 5 in. X 5 in giving you options If you are replacing an existing mailbox
  • Approved by usps
Check latest price on Amazon
#10 Top Pick
Mail Boss 7506 Mail Manager Locking Security Mailbox, Black

Mail Boss 7506 Mail Manager Locking Security Mailbox, Black

Brand: Mail Boss
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  • USPS Approved full-service residential locking security mailbox prevents mail-identity theft; Stainless steel hinges for ease of use
  • QUALITY: 14- and 16-gauge galvanized welded steel construction defends against vandalism. Mailbox Style: T1
  • SECURITY: Innovative baffle door accepts small parcels, packages, and a box of checks and also deters fishing. Does not include or require Mounting Plate
  • PATENTED: Includes patented Anti-Pry latch lock mechanism to prevent leveraged entry with a screwdriver & high security anti-drill, anti-pick 12-disc wafer lock
  • ACCESSORIES: Includes concealed outgoing mail clip, 3 keys, and required installation hardware
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