Many models include parcel lockers and letter drops for outgoing mail. H x 24. Vertical Mailboxes. 4C recessed mounted mailboxes are available with front and rear loading compartments and can be used for. Surface mounted units are designed to be mounted on a wall or other flat surface. The 16-unit pedestal cluster box is a versatile and reliable mailbox solution that is commonly used in multi-unit residential buildings and commercial properties. 00 $2,199. 8 Available Colors. These units can come as freestanding, wall-mounted, or recessed models. USPS approved, it’s perfect for any office building, residence hall, apartment or condo complex, and more! Local: 262-782-6510 Toll Free: 800-571-0147. Local: 262-782-6510 Toll Free: 800-571-0147. Wholesale Pricing $ 2,072. $2,749. This USPS approved 4C parcel locker 4C06S-1P was built to handle bigHowever, perhaps one of the best mailbox options available to homeowners is the wall mount mailbox. Recessed In-Wall Mount Style or Surface Mount Style with Surface Mount Collars also Available. Salsbury Industries manufactures U. Wall-mounted mailboxes are simpler: they only need to hang in an obvious location such as above a porch and be easy to reach. Horizontal 4C mailboxes are USPS approved (STD-4C) and 4C depot style mailboxes are for private deliveries only. USPS Approved Illinois Mailboxes for Residences. Through-the-Wall Mailbox Steel Wall Mounted Mailbox. We provide parts for curbside, centralized, wall-mounted, and other types of mailboxes as well as accessories meant to keep any property appealing for years to come. Best Seller Save. Mail Supply today or call us at 262. 99. Learn More. When most think of residential mailboxes, curbside and wall-mounted mailboxes come to mind. Our commercial selection includes vertical and horizontal models that ensure your mailbox gets approval from your local postal service. Mail Boss’s 7506 Curbside Locking Security Mailbox offers one of the more secure designs among all our choices. Choose from. Or, if direct USPS pickup is needed, there are models that are USPS-approved as well. Valid 11/1-12/8. Pedestal-mounted USPS-approved CBU. Save 8%. Delivery doors can be front-opening or rear-opening. These standards include how the mailboxes are built and how they are installed. USPS-approved Wall Mount Mailboxes What Is a Wall Mount Mailbox? Many homes and businesses feature wall mount mailboxes. Make sure the pedestal is level. Using at least two people, the cluster unit itself is moved onto the pedestal and installed. Despite the. Aluminum Recessed-Mounted USPS Access Vertical Mailbox with 6 Doors. Phone: Call (866) 707-0008. An optional surface mount collar is available if you do not have enough wall depth to fully recess the 4C mailbox. We offer a 100% secure online shopping experience or you can place your order with one of our mailbox experts at 1-888-352-9194. We provide parts for curbside, centralized, wall-mounted, and other types of mailboxes as well as accessories meant to keep any property appealing for years to come. Find the right USPS-approved residential mailbox online for your property. The units range in size from eight to 30 doors, so you get a heavy-duty mailbox that fits your facility. 97 out of 5 based on 63 customer ratings. 97 + free shipping. When it comes to placement, mailbox supports should be around 41 to 45 inches away from the road and about 6 to 8 inches back from the curb. 1-48 of 168 results for "locking mailbox usps approved" Results Price and other details may vary based on product size and color. 00 $2,606. Postal Service will only deliver to your mailbox if it's up to their standards - including box size, location, slot dimensions and identification info. Rustic Mailbox Amish Handmade Wooden Rustic Reclaimed Lumber With Metal insert USPS Approved (574) $ 154. Made with galvanized steel, this USPS-approved mailbox has an anti-pry lock, magnetic doors. The NEW line of 4C Horizontal Wall Mount mailboxes at National Mailboxes are perfect for apartments and multi-tenant buildings. The Benefits of Your 16 Unit Outdoor Cluster Mailbox. Model # CBU-8. Showing all 3 results. In Texas, your mailbox will have to endure more than 220 days of annual sunshine and temperatures that routinely rise past 100 degrees. . These boxes have two names, some people say Neighborhood Delivery Collection Box Unit. 5's and 1 PL5 - Front Loading - USPS Access Model # 3716D-15 $2,950. We Install! Mailbox Emporium offers cluster mailbox installation for orders of three or more CBU’s. 8 Door USPS Approved Cluster Mailbox. $461. Vertical mailboxes are available as Surface Mounted or Recessed Mounted units. These mailboxes are USPS approved and in stock with the manufacturer. 99 $ 109. New High Security 4C Series. Constructed of heavy gauge aluminum and 300 series stainless steel components for superior strength, security, and exceptional outdoor durability. 00 $735. Store Locator; Become a Dealer;. Find My Store. Shop USPS approved mailboxes for apartments & multifamily residences. Depending on your centralized delivery post box location, your horizontal apartment units can be mounted on a wall, recessed, or free-standing on a pedestal (CBUs). Florence 1400 series 4B+ horizontal mailboxes are USPS approved for replacement purposes only. Showing all 2 results. Model #6300P-10. Tenant keys come with the units that you order. Join more than 70,000 satisfied customers who shop with us when they need mailboxes for sale in Tennessee. Product Details. These high quality residential mailboxes are offered in these finish colors: black, gray, sand, bronze or gray. Cluster mailboxes are approved by the USPS for multi-tenant and commercial centralized mail delivery. Planter Mailbox: West Elm ″Downtown″ Mailbox. With 4 parcel lockers, the Versatile™ mailbox is designed for private delivery. Vertical mailboxes are USPS approved for replacement installations. The 14 unit wall mounted indoor mailbox from U. USPS Approved Locking Mailboxes. Column Mailboxes. $ 205. 00 Free Shipping. Steel Drive-in, Top Mount, Mailbox Post Kit, Black (235) $ 37. Our Horizontal Mailboxes are high quality, very secure, and made from heavy duty aluminum for lasting durability. Shop Residential Column and Wall Mounted Mailboxes. 50+ bought in past month. You may purchase single units for private delivery or several standard units. US Mail Supply carries a selection of outdoor commercial mailboxes approved for both private and USPS delivery. Constructed and Manufactured of Heavy Duty Extruded Aluminum. This USPS Approved Delivery Vault comes equipped With a Full Service Locking Letterbox, a unique security drop door mechanism (U. Mail Boss 7506 Mail Locking Mailbox – A Very Strong Contender. Anchor Bolts – Anchor bolts are used to secure the cluster mailbox pedestal base to concrete. All tenant locks and keys are included and a wide selection of color. Model #. Aggressive dogs, children’s toys in the walkway, an icy walkway, and other obstructions must be avoided. Accommodate 1-29 residents per Mailbox Unit. The Salsbury recessed mounted 4C horizontal mailboxes come in four different heights: six door high, ten door high, eleven door high, and Maximum Height units. for pricing and availability. The 8-unit pedestal cluster box is a versatile and reliable mailbox solution that is commonly used in multi-unit residential buildings and commercial properties. Mail house residential mailboxes are accessed from the front through a 13″W x 9″H locking door. Availability: In stock. They must stand 6 to 8 inches back from the curb and be 41 to 45 inches high. 00 Free Shipping. STD-4C Mailboxes. Engraved doors standard. Model # 1570-8T6. Select the department you want to search inMail House Wall Mount Locking Mailbox - USPS Approved. 2. Massachusetts Mailboxes with USPS Approval for Businesses and Communities. They can be used for indoor and/or outdoor centralized mail delivery. National Mailboxes’ new high security 4C mailboxes provide a simple, easy to use, pre-configured product line of mailboxes and parcel lockers. S. Wall Mount Type Residential Mailboxes - USPS Approved. US Mailboxes is committed to continuing the values of maintaining a high quality service in a prompt and timely manner. Consider Standard-4C compliant front-loading mailboxes during your. ShoppingOnBed Extra-Large Black Galvanized Steel Post-Mount Mailbox, 11. 97 out of 5. at 1-888-352-9194 or click here. U. Each mailbox is hand made so it is a unique work of art with its own individual character. carries all the leading brands, including Salsbury, Jayco, Amco, and Gaines. Make sure your mail carrier has safe, easy access to your mailbox. Mail Boss 7506 Curbside Locking Security Mailbox. Residential Apartment Mailboxes. Our residential mailbox product line. Commercial Mailboxes. NEW High Security 4C Parcel Lockers Wall Mount – USPS Approved For Packages Only (19) In-Wall Mounted Parcel Lockers for Standard Horizontal Mailboxes – For Packages Only. S. The top slot of the Large Mailbox accepts items up to 10 in. From $569. Locking Mailboxes. Each unit locks, allowing each customer to access mail at their convenience. Modern Large Locking Mailbox. Wall Mounted Mailboxes. The USPS does not govern wall mount mailboxes, although the product must operate easily and have longevity similar to curbside mailboxes. Any multi-unit building with a 4B mailbox built after Oct. Recessed In-Wall Mount Style or Surface Wall Mount Style Available. Options for USPS approved indoor & outdoor mailboxes include: Cluster Mailboxes 4C Horizontal Mailboxes 4B Horizontal Mailboxes Vertical Mailboxes Locking Mailboxes. 50. Approved for USPS residential door mail delivery. Rated 4. These units contain a slot for outgoing mail and a large compartment for holding larger mail volumes. From multi unit mailbox clusters to standard indoor recess mounted mailboxes, we. USPS Regulations For Multifamily Mailboxes. The Postal Service annually publishes a list of USPS-approved mailbox equipment and approved NEW High Security Cluster Box Units (CBUs) F-Series Type (USPS Approved) 16 Tenant Door Standard Style High Security CBU Mailbox with 2 Parcel Lockers (Pedestal Included) – Type 3 USPS Approved – H1570-16AF. The USPS does not govern wall mount mailboxes, although the product must operate easily and have longevity similar to curbside mailboxes. The post (which must be no bigger than 4 x 4) must be buried between 12-24 inches in. SKU: 3506RU. Fast Delivery. Search for: Menu. If it lines up, put a level on top of the post and begin filling the hole with soil. 300+ bought in past month. Wall-Mounted Mailboxes . If you're developing a neighborhood or residential community, though, you might be wondering whether wall-mounted mailboxes are allowed. USPS approval is a crucial factor to consider when purchasing commercial mailboxes for your business. 5. They come with a high quality powder coat finish in four attractive colors including Black, Green, Beige and White. The NEW line of 4C Horizontal Wall Mount mailboxes at National Mailboxes are perfect for apartments and multi-tenant buildings. We even have vertical options, like the Salsbury 3503RP and 3308-P, for small properties. We manufacture, supply, and distribute a wide selection of residential mailboxes, both indoor and outdoor models, to residential home owners and home owners associations across the country. Constructed from heavy-duty galvanized steel. Letter Boxes can be mounted on the surface of a wall or recessed into a wall. It has ample space for letters, bills, and advertisements. Surface mounted units mount directly to a wall or other flat surface and are secured with mounting hardware through the back panel. Save 8%. The NEW line of 4C Horizontal Wall Mount mailboxes at National Mailboxes are perfect for apartments and multi-tenant buildings. The mail carrier shouldn’t have to fold US Priority Envelopes to fit it into the slot. 4. Antique Brass Mailboxes are made of solid brass and are handcrafted to provide a custom look. Horizontal 4C mailboxes are USPS approved (STD-4C) and 4C depot style mailboxes are for private deliveries only. By offering different suite height options, specifically for the 4C wall […] New mailboxes can enhance a property, but sometimes replacement parts will do the trick as well. Traditional Mailbox - Decorative - Horizontal Style. Includes 5″ detachable magazine hooks. com. As low as $543. Wall-mounted 4C horizontal mailboxes are a great option for properties with many units (apartments, condominiums, military bases, college dorms, etc. Curbside mailboxes in Maine follow national regulations and must also be on the right side of a driveway. This USPS-approved mailbox features powder-coated galvanized steel and can be mounted on a standard mailbox pole. Top 12 Locking Mailbox Reviews. Find the right mailbox with maximum security. S Postal Service security requirement of USPS STD-4C regulation for 4C wall mounted mailboxes and 4C pedestal mailboxes. Designed to ensure every module is at a standard accessible height,. $1,999. Model # CBU-8. SereneLife Modern Wall Mount Lockable Mailbox-Outdoor Galvanized Metal Key Large Capacity-Commercial Rural Home Decorative &Office Business Parcel Box Packages SLMAB04,White,10. Wall-mounted mailboxes, which simply mount near a front door or above a porch, also have some accessories available. We offer locking wall mount mailboxes in many styles, so you’re sure to find the perfect mailbox for your home or business. Mounting hardware is sold. The NEW line of 4C Wall mount mailboxes from National Mailboxes are perfect for apartments and multi-tenant buildings. They can be surface mounted or they can also be mounted on bolt mounted mailbox posts (H4765), in-ground mounted mailbox posts (H4795), or a base of your selection. 06 inches high. 00 $47. The parcel lockers offer a unique double locking mechanism for added mail and package security. Its heavy-duty construction made from 14-gauge and 16-gauge galvanized welded steel provides this top-tier security. Bulk Pricing; About Us; Contact Us; Blog; Residential Mailboxes. Doors come with Standard Number Slots for Door Identification. These mailbox types are common in such communities, and virtually all of them have locking compartments. Decorative Column Mailboxes from National Mailboxes are designed to be recess mounted in columns, walls, or masonry. Recessed, In-Wall Mount Only. 00. We Install! Mailbox Emporium offers cluster mailbox installation for orders of three or more CBU’s. Weight: 25 lbs. 16 Tenant Door Standard Style High Security CBU Mailbox with 2 Parcel Lockers (Pedestal Included) – Type 3 USPS Approved – H1570-16AF. Our high-quality heavy-duty aluminum and high security units allow contents to remain safe and secure until the user is ready for collection pick up. H4375 MAIL PACKAGE DROP (USPS Approved or for Private Use / Private Access) Made entirely of aluminum, National Mailboxes U. Mailboxes for Sale in Tennessee. The USPS-approved Package Master delivers unrivaled security and protection against mail identity theft, package theft, and vandalism. USPS approved for 1:1. They consist of one. U. 12 Door USPS Approved Cluster Mailbox. Some of our top USPS Approved commercial style wall mount mailboxes include our popular new 4C Horizontal Mailboxes, 4C Parcel Lockers, 4C Collection & Drop Boxes, Standard Horizontal Mailboxes, Private Distribution Horizontal Mailboxes, Vertical Mailboxes, Apartment Mailboxes, Brass Horizontal Mailboxes, Aluminum Mailboxes, Rack Ladder. $1,600. S. Some of our top USPS Approved commercial style wall mount mailboxes include our popular new 4C Horizontal Mailboxes, 4C Parcel Lockers, 4C Collection & Drop Boxes, Standard Horizontal Mailboxes, Private. Wall mounted mailboxes are designed to be mounted on walls, doors and other flat surfaces. 987. National Mailboxes has been a leading Midwest Wisconsin based manufacturer, distributor and supplier of high quality residential and commercial mailboxes for over 20 years. 2 pounds. m. Floral Tin Mailbox: Creative Co-Op Distressed Embossed Tin Wall-Mounted Mailbox. The Postal Service annually publishes a list of USPS-approved mailbox equipment and approved manufacturers in its Postal Bulletin. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C. Mailboxes used in new construction projects can be one of the following two types of centralized mailbox equipment: Pedestal-mounted USPS-approved CBU. Striated doors to resist scratching. Step 2. 3. Fit More in Your Extra-Large Mailbox. All USPS Approved Mailboxes. $3099. dVault Ground Mount Black Metal Small Lockable Mailbox. Residential and Commercial Mailboxes (GoMailboxes. 4C Horizontal mailboxes are designed to ensure that a maximum number of USPS compliant tenant compartments are available within the given. Approved for private use and USPS delivery, our manufacturers build outdoor commercial mailboxes to meet USPS size and construction standards. Mail Supply - perfect USPS approved or private use boxes for commercial or residential areas. We also carry individual posts for customers who need replacements or for customers who want to customize a post package of their own. $920. The most. Mail Slot Size: 12″W x 1-1/4″H. For more product info contact the National Mailboxes Customer Support Center at 1-800-676-5161. For centralized mailboxes, no parcel. Local: 262-782-6510 Toll Free: 800-571-0147. Call Our Experts Today (866) 717-4943 Free Shipping Over $30. Or, if direct USPS pickup is needed, there are models that are USPS-approved as well. If you have multiple tenants or employees, check out the Salsbury 2116 Front Loading model. 12 Door USPS Approved Cluster Mailbox. Residential Wall Mount Mailboxes are designed for those homeowners who still have their mail delivered by door to door delivery. We carry residential post mailboxes, indoor mailboxes, wall mounted residential mailboxes, and everything inbetween. All units are 17″D. Ideal replacement mailboxes for smaller tenant apartments. 25—PALMER — Confusion over a U. Wall. There are 5 holes on the front;. The NEW line of 4C Horizontal Wall Mount mailboxes at National Mailboxes are perfect for apartments and multi-tenant buildings. Do You Need Wall Mount Collection Mailboxes? Mail advertising isn’t going away, and many businesses rely on it to communicate with the local community, via ads or offers, or with the greater world. 82in. Vary in height and mounting options. 4C Horizontal commercial mailboxes are designed to ensure. They only get better with age because they are made from natural brass with no coating or finish over them, just a polished. Local: 262-782-6510 Toll Free: 800-571-0147 FAQs Request a Quote Contact U. Shop commerical mailboxes. S. com) is the one-stop-shop for all your mailbox needs. Choose from mailboxes that meet or exceed all security requirements of the USPS STD-4C regulation for wall-mounted mail receptacles. $ 229. This wall-mount mailbox provides a tenant name card holder on each door and a 5-pin cylinder lock, each with 2 keys so you always have access to a spare. 00 (20%) Add to Cart. Mail house residential mailboxes are accessed from the front through a 13″W x 9″H locking door. Mail is deposited through a non-locking access panel on the front. Decorative wall-mounted and column mailboxes are offered in different colors and styles to match all luxury homes in residential areas. Cast Aluminum – Locking mailboxes are made of die cast aluminum and feature a solid brass mail flap and a locking eagle or plain door. Envelope Mailbox: Pottery Barn Envelope Mailbox in Antique Nickel. 4C Horizontal commercial mailboxes are designed to ensure that a maximum number of. Consequently, homeowners and renters have boxes mounted to the house, usually by a porch or entrance. Welcome to NationalMailboxes. Horizontal 4C mailboxes are USPS approved (STD-4C) and 4C depot style mailboxes are for private deliveries only. The Windsor wall-mount mailbox offers medium-capacity solutions for average mail deliveries. Mailbox Specialties. Next post: What is the difference between pedestal-mounted and wall-mounted commercial mailboxes?. Standard models are recessed in-wall mount style and optional surface mount collar. Patent Number 6,347,737) and a rear key locked storage. USPS Approved Drop Boxes. Wall-Mounted: For in-town residents, a walking mail carrier usually delivers mail. For those looking for a stylish, secure wall-mount mailbox that can hold a lot of mail, we like the vintage-inspired Tooluck Large-Capacity Locking Wall-Mount Mailbox as a decorative, door-side focal point. 4B. Mix and match free-standing outdoor pedestal-mounted mailboxes or recess wall mounted indoor vertical/horizontal mailboxes to supply seamless USPS delivery or private internal. Texas USPS-Approved Mailboxes for Homes and Small Business. 50 View Options. 8 Door USPS Approved Cluster Mailbox. Wall-mounted USPS-approved STD-4C mailboxes (4C). Mailbox Accessories. This classy yet modern steel-made mailbox has a rounded rain. Choose Your Perfect Mail Boss. 6510 for more information on which mailbox is right for you. Wall Mount Mailboxes. Postal Service will only deliver to your mailbox if it's up to their standards - including box size, location, slot dimensions and identification info. The new, USPS-approved 4C series of mailboxes contain multiple horizontal customer compartments in one cabinet. With a durable powder coat finish, the Townhouse keeps its good looks and your mail stays safe. Mailboxes that are USPS approved for replacement retrofit installations. 00 $1,799. These units can come as freestanding, wall-mounted, or recessed models. National Mailboxes offers a wide selection of high quality USPS Approved and private use-access style Pedestal Mailboxes. Postal Service STD-4C compliant mailbox systems. Surface Mounted units are designed to be mounted on a wall or other flat surface. Our 4B horizontal mailboxes are USPS approved and in full compliance with the requirements of USPS 4B+. 4C-Collection Boxes. 5,885. P. 97 Free Shipping. Product Type: Wall Mounted Mailbox; Material: Steel; Overall: 10. All recessed and surface-mounted 4C mailboxes make use of a master lock that a USPS employee or private employee can use to deliver mail. National Mailboxesletter locker mailboxes are offered with optional in-ground mount pedestals or concrete pad surface mount pedestals. They can be used for indoor and/or outdoor centralized mail delivery. $40 OFF your qualifying first order of $100+1 with a Wayfair credit card. 5 out of 5 Stars. Choose from mailboxes with 16 to 29 tenant doors that meet or exceed all security requirements of the USPS STD-4C regulation for wall-mounted mail receptacles. They take a bit of time to get used to if you’ve always used a curbside mailbox or wall-mounted one. Wall-mounted mailboxes must be installed in an obvious and easy to reach location. Wall Mount Type Residential Mailboxes have been a very popular product line and specialty offered by National Mailboxes for many years. Quote Request. While some rules apply to all mailboxes in general, there are separate, specific regulations for locking, package or. USPS Approved and Postal Certified for All Wall Mount Installations. 03. S Postal Service security requirement of USPS STD-4C regulation for 4C wall mounted mailboxes and 4C pedestal mailboxes. 00 Free Shipping. USPS Specs; FAQ; Resellers. 95 $627. The factory is located at 5935 Corporate Drive, Manhatten, Kansas 66503. Product Line Features: Front Loading Horizontal Style. FREE Returns . It’s also a good idea to make sure that your wall-mounted mailbox is between 41 and 45 inches from the. You save: $520. It has front-load access, is USPS-approved, and weighs only 6. They only get better with age because they are made from natural brass with no coating or finish over them, just a. 4C-Front Load. $748. W and can be mounted directly to a wall using the included mounting hardware. Strengthened security requirements for 4C units. The maximum T3 mailbox size is 13. USPS Approved Mailboxes; Private Delivery Mailboxes; Mailroom Supplies & Furniture. Size: Small. All cluster box units and parcel lockers include matching pedestal. The NEW line of 4C Horizontal Wall Mount mailboxes at National Mailboxes are perfect for apartments and multi-tenant buildings. Different Types of Salsbury Residential Mailboxes. Our stainless wall mailboxes come in a variety of styles, shapes, and sizes and can be purchased with post options or can be mounted directly to a wall or flat surface. Find My Store. Residential apartment mailboxes from US Mail Supply are ideal for use in single unit rental homes. Vertical mailboxes are top load (tilt out), constructed of heavy-duty aluminum, and available in an anodized aluminum finish or 5 powder-coated colors. 3 7 Reviews. m. Call us today for more information at 1-800-676-5161. For those looking for a stylish, secure wall-mount mailbox that can hold a lot of mail, we like the vintage-inspired Tooluck Large-Capacity Locking Wall-Mount Mailbox as a decorative, door-side focal point. USPS-approved mailboxes typically have features such as sturdy construction, tamper-resistant locks, and proper size dimensions to accommodate various types of mail, including letters, magazines, and small parcels. Shop Package Mailboxes. USPS Approved for Replacement of Existing Wall Mounted Mailboxes; Recessed, In-Wall Mount Type; Includes USPS 4B+ Security Upgrade Kit; Tenant Door Size: 5″H x 6-3/8″W x 16″D; Tenant Locks and Keys are Included (Includes 2 Keys per Door or per Lock) Constructed and Manufactured of Heavy Duty Extruded Aluminum 2 Oversized Tenant Doors with 1 Parcel Locker and 1 Outgoing Mail – 4C Wall Mount 6-High Horizontal Mailbox Unit – H4C06D-02. One piece Vertical Mail Slots (H4085) come spring loaded. A parcel locker requirement based on a 1:5 parcel locker to mail compartment ratio (effective July 2020). 95 $627. Anchor Bolts – Anchor bolts are used to secure the cluster mailbox pedestal base to concrete. 00 Product Description 4C Mailbox with 10 tenant compartments, 2 parcel lockers, and 1 outgoing mail compartment. From multi unit mailbox clusters to standard indoor recess mounted mailboxes, we offer mail boxes pre-approved with appropriate dimensions and standard features to comply with USPS regulations. $92. When it comes to commercial mailboxes for sale in Arizona, you won’t find better selection, service—or prices—anywhere else. USPS Approved Residential Mailboxes in Georgia. Both Freestanding Pedestal Style and Wall Mount Style Available. Florence 4C Mailbox Suites are a secure, attractive and easy-to-use line of wall-mounted mailboxes and parcel lockers. 5 mail compartments can service up to 5 tenants. 120. Place your mailbox 6″ to 8″ back from the curb. Unit Size: 33-7/8″W x 33-5/8″H x 17″D. 00 $1,339. $2,079. Provide a convenient means of installing 4C horizontal mailboxes in locations where a wall mounted application is not desired or available; Ideal for apartments, commercial buildings and residential developments. In addition, multi-unit curbside mailboxes are popular in many of Alabama’s condo communities. S Postal Service security requirement of USPS STD-4C regulation for 4C wall mounted mailboxes and 4C pedestal mailboxes. The USPS-4C Standard includes the following specifications: A minimum size requirement for mailboxes (12” W x 3” H x 15” D). com home of National Mailboxes, a division of NMHP Inc.