The Ecco Stainless Steel Vault Locking Wall Mounted Mailbox is designed in a pristine and contemporary style for the modern home or business. Find My Store. Providing USPS Approved Washington Residential Mailboxes. Choose from. These units contain a slot for outgoing mail and a large compartment for holding larger mail volumes. 95 $627. Product Line Features: Wide Selection of Both USPS Approved and Private Use/Access Commercial Mailboxes Available. Effective October 5, 2006, all new designs approved for NEW CONSTRUCTION AND MAJOR RENOVATION require U. Make sure you have everything you need. 99 $162. The Mailboxes. USPS Approved Residential Mailboxes in Georgia The USPS-4C Standard includes the following specifications: A minimum size requirement for mailboxes (12” W x 3” H x 15” D). Please contact us at 888-352-9194 for pricing. Cluster Box Unit With Crown Cap and Pillar Pedestal Accessories -16 Compartments. Model # CBU-8. 4. The Huntington Decorative Brass Surface Wall Mount Residential Mailbox from National Mailboxes is made from solid brass in the USA. 99 $97. 00 $299. Each unit locks, allowing each customer to access mail at their convenience. This smooth aluminum collar ensures the mail system achieves that desired sleek, finished look while easily attaching directly. 28. November 25, 2023 at 6:04 PM · 8 min read. What to Know About Mailboxes Before Shopping . $3099. Not only for packages and parcels but perfect for DVDs. Residential apartment mailboxes from US Mail Supply are ideal for use in single unit rental homes. USPS Approved and Postal Certified for All Wall Mount Installations. Recessed Mounted units are designed to fit into a rough opening. Quick view. USPS Approved for wall-mounted applications only; It is strongly recommended that. From $89. Pedestal, Tenant Locks and 3 Keys per Door Included in Prices. 00. Patented anti-pry latch to prevent leveraged entry on every mailbox, Postmaster General Approved MailBoss. Local Postmaster Approval Recommended Designed for indoor or outdoor use, National Mailbox is pleased to offer a heavy-duty STD-4C mailbox enclosure which allows modules to quickly and easily be mounted to any flat surface. USPS Approved Commercial, Apartment, & Residential Units The U. For Private Use/Access Only (Private Party Distribution) Front Loading Style. Different Types of Salsbury Residential Mailboxes. 5 and 1 PL5 – Front Loading – USPS Access (Includes 3710DA-09 Mailbox and 3810D Enclosure) – 10 Door High Unit (38-5/8 Inches) – Double Column. Wall-mounted mailboxes work in suburbs where the USPS can walk from home to home to deliver mail. If you're developing a neighborhood or residential community, though, you might be wondering whether wall-mounted mailboxes are allowed. USPS approved locking mailboxes from US Mail Supply are available in a wide variety of styles and finishes. Architectural Mailboxes 7900-2-R Mapleton Post Mount Mailbox - Graphite. Categorized in: Residential Mailboxes. Make sure your mail carrier has safe, easy access to your mailbox. dVault. Commercial mailboxes are those centralized types that serve office buildings, apartment complexes, college campuses, and more. Wall-mounted mailboxes must be installed in an obvious and easy to reach location. If using a wall-mounted mailbox for USPS pickup, be sure to select a 4C model, as this type is approved for USPS use. Email Us: Submit a Ticket. Save 8%. 8 Door USPS Approved Cluster Mailbox. The box alone measures 21. Give us a call anytime, we would love to hear from you!Buy decorative, locking, column, and wall mount residential mailboxes here. All new or remodeled apartment houses must install USPS-approved 4C centralized mailbox. The Post Office defines cluster units as pedestal mounted metal mailboxes. We offer locking wall mount mailboxes in many styles, so you’re sure to find the perfect mailbox for your home or business. Colors: Standard color is Anodized. Residential Apartment Mailboxes. 2. They come with a high quality powder coat finish in four attractive colors including Black, Green, Beige and White. 50 View Options Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Wall Mounted Mailboxes are designed to be mounted on walls, doors and other flat surfaces and are available in locking and non-locking styles. Copper Mailbox: Terrain Metal Mailbox in Copper. Wholesale Pricing $ 1,808. Cluster Box Units (CBU’s) 4C Horizontal Mailboxes. With a durable powder coat finish, the Townhouse keeps its good looks and your mail stays. Mounting hardware is sold. CBU Commercial Mailboxes - 8 Door with 4 Parcel Lockers. 50 View Options. S. When it comes to commercial mailboxes for sale in South Carolina, you won’t find better selection, service—or prices. Usually, curbside and wall-mounted. 8 Available Colors. These mail receptacles are installed right outside the structure’s front door or in another convenient location on an exterior wall. All meet and exceed every U. The new, USPS-approved 4C series of mailboxes contain multiple horizontal customer compartments in one cabinet. Local: 262-782-6510 Toll Free: 800-571-0147. Incorporate security features to help prevent break-ins. The flap should not obstruct the mail carriers ability to quickly deliver your mail. Find the right mailbox with maximum security. CALL: 800. Any multi-unit building with a 4B mailbox built after Oct. $3,028. SKU: 3507RU. Ideal for commercial & residential buildings such as apartments, multi-family complexes, condos, and new construction. 6, 2006, is approved for replacement. For more product info contact the National Mailboxes Customer Support. You can order your Salsbury commercial mailboxes via our customer service department or online. Admiral Textured White, Large, Aluminum, Post Mount Mailbox $ 66. Size: Small. We also carry individual posts for customers who need replacements or for customers who want to customize a post package of their own. As low as $543. Learn More. Shop vertical apartment mailboxes available in 3-tenant and up to 7-tenant door configurations. USPS Approved Commercial, Apartment, & Residential Units The U. Salsbury Victorian Mailbox – Surface Mounted. By offering different suite height options,. 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. Mail Boss 7500 Locking Mailbox – Install Ready & Durable. 48 inches long, 10. The rural mailbox has specific installation requirements for both the support pole and the location. One piece Vertical Mail Slots (H4085) come spring loaded. Feature a front access door – 10-3/4″W x 6″H. The United States Postal Service (USPS) has rules regarding the use of mailboxes, but that doesn't necessarily mean they prohibit the use wall-mounted mailboxes. Our 3300 series meets U. 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. 6’’. They come with a high quality powder coat finish in four attractive colors including Black, Green, Beige and White. Gibraltar Mailboxes Mailsafe Locking Mailbox – Simple Medium-Sized Option. National Mailboxes’ new high security 4C mailboxes provide a simple, easy to use, pre-configured product line of mailboxes and parcel lockers. The Salsbury recessed mounted 4C horizontal mailboxes and parcel lockers are U. The Manhattan Decorative Brass Surface Wall Mount Residential Mailbox from National Mailboxes is made from solid brass in the USA. A Both Freestanding Type and Wall Mount Type Models Available to Choose From Heavy Duty Aluminum Models, Stainless Steel Models & Galvanized Steel Models. S. 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. Salsbury 3308-U 8 Door Cluster Mailbox - USPS Approved (Includes Pedestal) See More by Salsbury Industries. USPS Approved and Postal Certified for US Mail Delivery. Model # CBU-8. Monday – Friday 6:00 am to 4:00 pm PT. Includes: Mailbox, Pedestal, Number Decals #1-4 & 1P, 2P, Cam Locks, and (3) Keys per Tenant Box. Quote Request. Amazon's Choice in Post-Mount Mailboxes by Mail Boss. Vertical Style Mail Slots: Manufactured of high quality solid brass. 00 Free Shipping. The NEW line of 4C Horizontal Wall Mount mailboxes at National Mailboxes are perfect for apartments and multi-tenant buildings. Wall Mount Type Residential Mailboxes have been a very popular product line and specialty offered by National Mailboxes for many years. 13 Door USPS Approved Cluster Mailbox. Store Locator; Become a Dealer;. We manufacture, supply, and distribute a wide selection of residential mailboxes, both indoor and outdoor models, to residential home owners and home. Model # CBU-8. Cast Aluminum – Non-locking mailboxes are. USPS approved for 1:1. Mounting Position or Type: Wall. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. BudgetMailboxes. Wall Mount Gray Metal Large Lockable Mailbox. Each unit comes with a 5-pin cam lock with three keys. The most common types of mailbox is the curbside mailbox and the simple wall-mounted mailbox. They are USPS approved and are available with front and rear loading compartments. Wall-mounted mailboxes used for multi-residential or commercial purposes must meet the USPS guidelines (USPS-STD-4C) which require Standard Parcel Lockers to be 15 inches high by 12 inches wide by 15 inches deep and Large Parcel Locker to be 18 inches high by 12 inches wide x 15 inches deep. USPS Approved Illinois Mailboxes for Residences. It has ample space for letters, bills, and advertisements. Get free shipping on qualified Wall Mount, Locking Mailboxes products or Buy Online Pick Up in Store today in the Hardware Department. Cluster Box Units (CBU’s) 4C Horizontal Mailboxes. Cluster Box Units (CBU’s) 4C Horizontal Mailboxes. Place your mailbox 6″ to 8″ back from the curb. MidAtlantic Mailbox, Inc offers high quality cast aluminum wall mount mailboxes from the best names in the industry. Wall Mount Mailboxes. Patent pending and theft resistant pull down hopper door allows for safe mail deposit. Wall-mounted mailboxes used for multi-residential or commercial purposes must meet the USPS guidelines (USPS-STD-4C) which require Standard Parcel Lockers to be 15 inches high by 12 inches wide by 15 inches deep and Large Parcel Locker to be 18 inches high by 12 inches wide x 15 inches deep. Specializing in high security mailboxes both USPS approved for U. Unit Size: 21″W x 28-1/4″H x 17″D. 97 out of 5. dVault Ground Mount Black Metal Small Lockable Mailbox. Cluster Box Units (CBU’s) 4C Horizontal Mailboxes. Available in (6) contemporary colors and optional decorative top and pedestal. The NEW line of 4C Wall mount mailboxes from National Mailboxes are perfect for apartments and multi-tenant buildings. com offerings feature three main styles of residential mailboxes: . ShoppingOnBed Extra-Large Black Galvanized Steel Post-Mount Mailbox, 11. Local: 262-782-6510 Toll Free: 800-571-0147. 4B Horizontal Mailboxes. Fast Shipping. 13 door CBU’s feature (13) Larger sized locked compartments, (1) parcel box and (1) secure outgoing mail slot. 05 /box (10) Model# 3505ASU. The box alone measures 21. Mail Supply offers residential mailboxes that meet the needs of contemporary American lifestyles. 00 Free Shipping. USPS Approved Residential Mailboxes in Georgia. S mail delivery and. If you do not have a raised curb, contact your local postmaster for guidance. $2,079. They must be no higher than 45 inches tall, and the door must be between 41 and 45 inches off the street surface. Outdoor Parcel Lockers. The Dig-Free Universal Easy Up Mailbox Post makes it easy to assemble and install your mailbox post in minutes - with no digging. Mail Slot Size: 12″W x 1-1/4″H. Locking Mailboxes. Commercial USPS Approved Mailboxes in North CarolinaThe Best Wall-Mounted Locking Mailbox. Can be used for USPS residential door mail delivery. These mailbox types are common in such communities, and virtually all of them have locking compartments. These boxes have two names, some people say Neighborhood Delivery Collection Box Unit. Choose from mailboxes that meet or exceed all security requirements of the. Patent Number 6,347,737) and a rear key locked storage. 35 reviews. 00 $2,199. 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. When it comes to commercial mailboxes for sale in Arizona, you won’t find better selection, service—or prices—anywhere else. 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. "F" specifications and holds an official license for centralized mail delivery. 83 inches wide, and 11. Mailboxes With Post. Wall. An optional surface mount collar is available if you do not have enough wall depth to fully recess the 4C mailbox. Salsbury 3507SU 7 Door Vertical Mailbox Surface Mounted USPS Access. 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. 50+ bought in past month. Wall-mounted mailboxes, which simply mount near a front door or above a porch, also have some accessories available. Letter Boxes can be mounted on the surface of a wall or recessed into a wall. Commercial Mailboxes. This Medium Locking Wall Mount Mailbox by BARSKA has been designed to provide a secure way of locking up important items. Top 12 Locking Mailbox Reviews. Contact us online , or call (541) 389-4928 for more details. Return this item for free. Front Loading Commercial Mailbox with 19 Tenant Compartments and 2 Parcel Lockers - Versatile. $2,499. Letter Lockers The ten-door high four parcel locker 4C versatile™ mailbox from US Mail Supply is available in eight vandal-resistant powder coat finishes: Antique Bronze; Black; Dark Bronze; Gold Speck (shown above) Postal Grey; Sandstone; Silver Speck; White; CUSTOM 4C MAILBOX QUOTE. Mailbox regulations apply for post box mailboxes, wall mount mailboxes, mailbox kits and parcel boxes alike. 4C Horizontal commercial mailboxes are designed to ensure. Mail Supply offers USPS-approved commercial mailboxes and commercial mailboxes for private delivery to give you versatile options for public and internal deliveries. A cluster mailbox, or a cluster box unit (CBU), is a form of centralized, communal mail delivery equipment. S. Rated 5. Weather resistant, corrosion resistant, and rust proof providing decades of durability and extended life. Shop Curbside Mailboxes. 2. Wall and pedestal mounted units can be used. Choose the location for your mailbox. Phone: Call (866) 707-0008. Call us today for more information at 1-800-676-5161. Specializing in residential and commercial mailboxes since 1987. Constructed and Manufactured of Heavy Duty Extruded. Fit More in Your Extra-Large Mailbox. S. The Mail Boss Olympus Wall Mounted Locking Security Drop Box is designed to truly secure incoming mail, money, checks, keys, ballots, and more. 06 inches high. Add to Favorites Watercolor Autumn Mailboxes Clipart - cute rustic floral post boxes in PNG format. W and can be mounted directly to a wall using the included mounting hardware. Floral Tin Mailbox: Creative Co-Op Distressed Embossed Tin Wall-Mounted Mailbox. All High Security Mailboxes are Guaranteed for Superior Quality and Craftsmanship. Delivery doors can be front-opening or rear-opening. Look for the PMG’s seal before purchasing your mailbox to make sure it is an. A parcel locker requirement based on a. Vertical mailboxes are available as Surface Mounted or Recessed Mounted units. Postal Service STD-4C compliant mailbox systems. Engraved doors standard. Choose from Parcel Lockers that meet or exceed all security requirements of the USPS STD-4C regulation for wall-mounted mail receptacles. 8 Door USPS Approved Cluster Mailbox. Explore our site and you will find the largest selection of USPS approved mailboxes and private delivery mailboxes in the industry. 1-48 of 153 results for "locking mailbox usps approved" Results. Residential Mailboxes. If it lines up, put a level on top of the post and begin filling the hole with soil. Hi Bradley, thanks for your inquiry. 4 Compartment Fully Recessed Vertical Replacement Mailboxes- Anodized Aluminum. 00 Free Shipping. Unit Size: 33-7/8″W x 33-5/8″H x 17″D. For more product info contact the National Mailboxes Customer Support Center at 1-800-676-5161. $2,599. Ensure that the flap if working properly and allows delivery. Envelope Mailbox: Pottery Barn Envelope Mailbox in Antique Nickel. Better Box Decorative Mailbox With Paper Box, Black by Better Box Mailboxes (25) $415. Rest the post in the hole and re-measure the distance from the road to the bottom of the box. USPS Regulations For Multifamily Mailboxes. The USPS-4C Standard includes the following specifications: A minimum size requirement for mailboxes (12” W x 3” H x 15” D). Find My Store. 48 inches long, 10. 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. Salsbury Victorian Mailbox – Surface Mounted. S. Its heavy-duty construction made from 14-gauge and 16-gauge galvanized welded steel provides this top-tier security. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the. With a range of features designed to enhance security, convenience, and durability, the 16-unit cluster box offers numerous benefits for property. Model #. They only get better with age because they are made from natural brass with no coating or finish over them, just a. Anchor Bolts – Anchor bolts are used to secure the cluster mailbox pedestal base to concrete. Such as suggestion slips, ballots, mail, documents, keys, money and more. 97 Free Shipping. 95 $627. 00 Free Shipping. S. Finish or Material: All aluminum construction. To replace your curbside mailbox with a wall-mounted mailbox, you must get your local postmaster's permission. USPS approval is a crucial factor to consider when purchasing commercial mailboxes for your business. 00. It’s also a good idea to make sure that your wall-mounted mailbox is between 41 and 45 inches from the. Salsbury Industries manufactures U. Choose from a variety of mailbox sizes and styles; mounted mailboxes. USPS-Approved Mailboxes. Commercial Mailboxes. This USPS Approved Delivery Vault comes equipped With a Full Service Locking Letterbox, a unique security drop door mechanism (U. 571. Salsbury 3507RU 7 Door Vertical Mailbox Finish Recessed Mounted USPS Access. Our Whitehall Wall Mount Mailbox has a compact design and a durable die-cast aluminum frame with a stylish script detailing your address and a secure locking mechanism. Mail. These high quality residential mailboxes are offered in these finish colors: black, gray, sand, bronze or gray. Planter Mailbox: West Elm ″Downtown″ Mailbox. S. USPS Specs; FAQ; Resellers. 183. Ensure that the flap if working properly and allows delivery. Next post: What is the difference between pedestal-mounted and wall-mounted commercial mailboxes?. com) is the one-stop-shop for all your mailbox needs. S Postal Service security requirement of USPS STD-4C regulation for 4C wall mounted mailboxes and 4C pedestal mailboxes. Save 8%. Step 2. The versatile™ 4C Depot cabinet is a free-standing installation option for our secure, durable STD-4C wall-mounted mailboxes and parcel lockers. . Recessed In-Wall Mount Style or Surface Mount Style with Surface Mount Collars also Available. S. Versatile Front Loading Mailbox with 29 Tenant Compartments. The third step to installation entails contacting the post office to install the locks and handle the keys. This unit is for recess mount applications only (17" of wall depth required). 1. USPS-Approved. com, we offer residential mailboxes that can withstand these conditions. EMPTY. All mailboxes must meet USPS installation regulations to ensure your mail is delivered. Colors: Standard color is. They can be wall-mounted or. Horizontal 4C mailboxes are USPS approved (STD-4C) and 4C depot style mailboxes are for private deliveries only. 97 out of 5. Residential Mailbox Posts (without Mailboxes) Multi-Family Mailbox & Post Combo. The United States Postal Service (USPS) has rules regarding the use of mailboxes, but that doesn't necessarily mean they prohibit the use wall-mounted mailboxes. Wall-mounted mailboxes merely need to be installed in an obvious location such as near a front door. USPS Approved Commercial & Community Mailboxes. We carry residential post mailboxes, indoor mailboxes, wall mounted residential mailboxes, and everything inbetween. 4. Doors come with Standard Number Slots for Door Identification. The shift away from 4B recessed and wall mount mailboxes started in 2006. Wall-mounted mailboxes used for multi-residential or commercial purposes must meet the USPS guidelines (USPS-STD-4C) which require Standard Parcel Lockers to be 15 inches high by 12 inches wide by 15 inches deep and Large Parcel Locker to be 18 inches high by 12 inches wide x 15 inches deep. 3. USPS Approved 4C Mailboxes. Doors come with Standard Number Slots for Door Identification. 99. Our Horizontal Mailboxes are high quality, very secure, and made from heavy duty aluminum for lasting durability. Typically, curbside and wall-mounted mailboxes work for homes and small businesses. If you have multiple tenants or employees, check out the Salsbury 2116 Front Loading model. Or, if direct USPS pickup is needed, there are models that are USPS-approved as well. As of October 5, 2006, all new construction and renovation designs in buildings require U. These standards include how the mailboxes are built and how they are installed. Mailboxes that are USPS approved for replacement retrofit installations. It signifies that the mailbox meets USPS standards for safe and efficient mail delivery. Residential Apartment Mailboxes. Decorative wall-mounted and column mailboxes are offered in different colors and styles to match all luxury homes in residential areas. The Postal Service annually publishes a list of USPS-approved mailbox equipment and approved manufacturers in its Postal Bulletin. Made with galvanized steel, this USPS-approved mailbox has an anti-pry lock, magnetic doors. Showing all 2 results. Shop all 4C wall mounted horizontal mailboxes for the perfect fit for. US Mail Supply provides USPS approved indoor mailboxes. 99 $162. Find the right commercial outdoor mailbox for your property. S. 75'' H x 9''. (9:00 am to 7:00 pm ET) Saturday 7:00 am to 3:00 pm PT. Customers can also mount 4C mailboxes in a kiosk or shelter. Texas USPS-Approved Mailboxes for Homes and Small Business. They must stand 6 to 8 inches back from the curb and be 41 to 45 inches high. Model # CBU-12. USPS Approved Commercial & Community Mailboxes. Contact U. 50CUSTOM STAIN Farmhouse rustic mailbox, mailbox wall mount, hanging mailbox for letters. $40 OFF your qualifying first order of $100+1 with a Wayfair credit card. ). Commercial USPS Approved Mailboxes in California. 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. Wall-mounted mailboxes simply hang on the wall of a home or small business and have a. If you need a large or specialized order, such as for college dorms, hospital patients, or nursing home residents, please call us at (866) 707-0008. Wholesale Pricing $ 2,072. 00. 00 Free Shipping. 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. P. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. 987. 75″x10″. All meet and exceed every U. The NEW line of 4C Horizontal Wall Mount mailboxes at National Mailboxes are perfect for apartments and multi-tenant buildings. Flexible, customizable solution for individual project needs. The units range in size from eight to 30 doors, so you get a heavy-duty mailbox that fits your facility. It has front-load access, is USPS-approved, and weighs only 6. Vertical mailboxes are USPS approved for replacement installations. 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. com) is the one-stop-shop for all your mailbox needs. There are two keys for each lock, an option for engraved door identification, and clear plastic slots for each door. 98 16% Off. Anchor Bolts – Anchor bolts are used to secure the cluster mailbox pedestal base to concrete. Choose from mailboxes that meet or exceed all security requirements of the USPS STD-4C regulation for wall-mounted mail receptacles. 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. 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. S. The new USPS-4C Standard includes the following specifications: A new minimum size requirement for mailboxes (12"W x 15"D x 3"H). Wall Mount Black Metal Small Mailbox. The post (which must be no bigger than 4 x 4) must be buried between 12-24 inches in. An optional gold finish non-locking thumb latch (H4488) is available for an additional charge. U. P. Our standard letter locker mailboxes are USPS Approved and Postal Certified and do not require the USPS Postal Arrow Lock. Contact a Mailbox Specialist. 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. Lowest Prices on Mailboxes, Period. 4C recessed mounted mailboxes are available with front and rear loading compartments and can be used for. Many models include parcel lockers and letter drops for outgoing mail.