Architectural Mailboxes Centennial Mailbox With Standard In-Ground Post

Centennial Mailbox Standard In-Ground Post
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Retail Price:$256.42
Our Price:$222.97
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  • The Centennial Mailbox, shown in black, by Architectural Mailboxes has a striking design that combines aesthetics and functionality while still servicing all your mail and parcel needs.
  • The mailbox is constructed with galvanized steel, comes in 3 powder coated finishes and features a die cast aluminum handle and rigid steel, powder coated flag.
  • The Centennial is the first mailbox design to receive approval from the USPS under the new Standard 7C regulation, released in late 2015.
  • Architectural Mailboxes chose the name “Centennial” because it exemplifies the next generation of mailbox size, since the last USPS approved size was introduced in 1915.
  • This post mount mailbox can meet the needs of today’s consumer due to its generous compartment that is designed to receive not only mail and magazines but parcels as well.
  • The Standard In-Ground Post is constructed of fully powder coated galvanized steel.
  • The 4” square design of the Standard In-Ground Post gives a stylish and clean look.
  • The Standard In-Ground Post comes in Black or Rubbed Bronze finishes and comes with assembly and mounting hardware.
  • View more Post Mount Mailboxes.
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Product Details


Item Height (inches) Width (inches) Depth (inches)
Mailbox Overall Size 11.9" 14.2" 18.3"
Post 53" 4" 4"


  • Mailbox Item Number: AMM950020
  • Post Item Number: AMP53GM
  • Includes: Mailbox, Post, Assembly Hardware
  • Manufacturer: Architectural Mailboxes
  • Shipping Weight: 40 lbs.
  • Locking: Non-locking mailbox.

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