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Nationwide shipping Installation available in select Mid-Atlantic areas Get Product Help

Residential, commercial & custom mailbox systems

The Right Mailbox for Your Home, Community, or Business

Shop residential mailboxes, commercial delivery systems, replacement parts, address plaques, signs, lighting, and exterior accents - with expert help before you order.

  • Free shipping on commercial mailbox systems and residential complete mailbox systems
  • After-hours support until 8 PM ET: 240-575-5852
Black Traditional Mount Kit mailbox and post installed in front of a residential home
Nationwide shipping Select-area installation 22+ years of expertise USPS-aware guidance Support until 8 PM ET Free shipping on commercial mailbox systems

Why shop with MidAtlantic

Expertise and support behind every order

Years of industry experience

Residential, commercial, and streetscape products.

Family-owned & woman-owned

A real team you can call before ordering.

Free diagnostic help

Send photos for model, part, or replacement guidance.

Project-aware guidance

Helpful for CBUs, 4C systems, parcel lockers, and replacements.

Free commercial shipping

Qualifying commercial mailbox systems ship free nationwide.

Extended support

Reach Lora after regular business hours at 240-575-5852.

Shop by need

Start with the category you need

Choose the catalog path that matches what you are shopping for.

Expert guidance

Not sure what fits? We'll help narrow it down.

Mailboxes can look similar online. The right choice may depend on delivery type, USPS/project requirements, HOA rules, post compatibility, finish, numbering, installation, and what needs to match your existing property. MidAtlantic can help identify models, match parts, and review options before you order.

What to have ready:

  • Photos of current mailbox
  • Manufacturer/model if visible
  • HOA requirement if applicable
  • Delivery type / property type
  • Install ZIP/location

Free diagnostic and estimating help is available for residential replacements, commercial projects, and hard-to-identify parts.

Prefer to talk? Call 301-620-7585

What are you trying to do?

Recommended Next Steps

What to check before ordering:Check if your current post is reusable and note your mounting type (curbside vs wall).

B2B & community projects

Commercial mailbox projects need more than a product grid

Commercial mailbox requirements can vary by product, location, delivery setup, USPS/project requirements, and installation type. MidAtlantic helps property managers, HOAs, developers, apartments, and offices think through door counts, parcel lockers, numbering, replacement parts, and project planning before the order is placed.

  • Free commercial estimating and diagnostic help
  • CBU, 4C, and parcel locker planning
  • Replacement locks, doors, hinges, and parts
  • USPS/project requirement awareness
  • Community route and development planning

Select service areas

MarylandVirginiaWashington DCPennsylvaniaWest Virginia
Diagnostic checklist
  • Identify manufacturer
  • Confirm HOA rules
  • Check mounting type

Installation and mailbox diagnostics in select Mid-Atlantic areas

From residential mailbox installation to model identification, replacement options, and commercial estimating, MidAtlantic helps customers confirm the right path before committing to a product or project.

  • Free residential diagnostic and estimating service
  • Model and manufacturer identification
  • Replacement options and lead-time guidance
  • HOA matching support
  • Commercial estimating and route planning
  • Installation availability in select service areas
Ask about installation

Before you order, make sure the fit is right

A quick check before checkout can prevent mismatched parts, incorrect mounting, delivery issues, and unnecessary returns.

USPS and project requirements vary by product and installation type.
Match the post, finish, size, and mounting type.
Check house numbers and personalization.
Verify replacement-part compatibility.
Ask about installation before checkout.

Planning a commercial, community, or replacement mailbox project? Review the available postal resources or ask MidAtlantic before ordering.

Why buyers trust MidAtlantic

Guidance for the details that are easy to get wrong

Whether you are matching an HOA mailbox, replacing a damaged part, planning a commercial delivery setup, or confirming installation requirements, MidAtlantic helps turn a confusing catalog into a clearer buying decision.

Model identification help

Send photos of an existing mailbox, part, or sign system so the team can help identify the manufacturer, model, or closest available match.

Free diagnostic & estimating

Get help with replacement options, project scope, pricing, lead times, and what information is needed before ordering.

HOA and community matching

Helpful for homeowners and communities trying to match an existing approved mailbox, finish, post, plaque, or street theme.

Commercial project planning

Support for CBUs, 4C systems, parcel lockers, door counts, numbering, replacement parts, and development planning.

Postal requirement awareness

USPS and project requirements can vary by product and installation type. MidAtlantic helps customers know what to confirm before placing commercial orders.

Top-rated manufacturers

A curated catalog of residential, commercial, streetscape, signage, lighting, and exterior products from established manufacturers.

Mailbox questions can get specific fast. MidAtlantic helps homeowners, HOAs, property managers, and communities choose with more confidence.