Our USPS. How to Install. The Benefits of Your 4 Unit Outdoor Cluster Mailbox. These mailboxes are manufactured entirely from heavy gauge aluminum with a corrosion-proof finish, they're built to last and keep your tenants' mail, safe and secure. Products. After all, safety is a top concern. $1,119. For commercial mailboxes, no customer compartment can be over 67 inches from the floor or below 28. Model. This will make them unlikely to need repair or replacement in the near future, versus single-unit mailboxes. Call Our Experts Today (866) 717-4943 Free Shipping Over $30 Lowest Prices on Mailboxes, Period. Box 13144, Wauwatosa, WI 53213. Postal Service will only deliver to your mailbox if it's up to. $89. Kiosks typically stand in a central or. 97 Free Shipping Salsbury 3506SU 6 Door Vertical Mailbox Surface Mounted USPS Access Model # 3506SU $630. The Importance of Multi-Unit Mailboxes For Condos, Apartments, and Other. Private Master Lock Conversion Kit for Commercial Mailbox Unit (Converting from Postal to Private) For Private Use/Access Only (Florence Brand) – H206550 Wholesale Pricing $ 79. Salsbury Cluster Mailboxes can be purchased via our website at mailboxes. A cluster mailbox, or a cluster box unit (CBU), is a form of centralized, communal mail delivery equipment. Rated 4. National Mailboxes provides a wide variety of USPS approved mailboxes for apartments, condos, residential. Rear loading units have an optional rear cover and all units are recess-mounted. Choose high end vintage style large cluster mailboxes or simple small indoor lockable horizontal mailboxes for a lobby area or entryway. Apartment house delivery requires that mailboxes be located reasonably close to the entrance in vestibules, halls, or lobbies. Compartments: 60. Tags can include a person’s name and date the key is given. Start Building. Here, commercial mailboxes refer to the centralized types, where multiple customer compartments are contained in a single, metal cabinet. outgoing mail compartment. They’re still in use today in many locations. Colors apply to select mailboxes which include most of the primary USPS Approved commercial. Sometimes, when. 00 Free Shipping. There are many reasons to repair or replace your mailbox system. Model # 2108FL. HOA Mailboxes. S. Centralized mailboxes all have locks and multiple. If the lock is still stuck, contact your property manager, or replace the lock if you are the property manager. SKU: 4C15S-3P. Rough Opening Size: 55-1/4″H x 26-3/16″W x 17″D. Centralized mailboxes must follow the ADA, with no parcel locker below 15 inches from ground height, and all. USPS-Approved. Florence Surface Mount 4C Horizontal Mailbox – 15 Doors 2 Parcel Lockers – Front Loading – 4C14D-15-4CSM14D – USPS Approved. Apartment / Office Suites Letterboxes. In addition to our Mailbox Revit families, Mailbox AutoCAD blocks and Mailbox SPECS, we also provide additional. Custom solutions. $2,626. There are many types of business mailboxes. Browse our wide selection of mailboxes & get free shipping on qualified mailbox orders today!. Like you, we are only interested in quality mailboxes for your home or business. Our company offers a wide variety of USPS approved products and all of our mailboxes are delivered fully. Specializing in both high-security, USPS Approved commercial mailboxes for U. 405. Small business and homeowners alike can delight in knowing that their mail drops will be protected in these mail drop boxes. STD-4C Horizontal mailboxes are USPS approved and commonly used in apartment complexes, commercial buildings, residential developments, condominiums and several other applications. Additionally, mailboxes cannot have unbreakable supports such as concrete pillars to prevent damage to vehicles and injuries to drivers. S. The number of apartments, repairs, parking, and recreation areas are all obvious things that property owners consider when developing or renovating a complex. These mailboxes are designed to meet the needs of various commercial spaces, including apartment buildings, offices, and educational institutions. They keep your mail safe from weather elements and more. Vertical Mailbox - 3 Doors - Surface Mounted - USPS Access. Salsbury 3500 Series surface mounted vertical mailboxes are available in 5 contemporary colors. These mailboxes make USPS. Cluster Box Units (CBU’s) manufactured by Salsbury Industries provide USPS access and offer a secure means of receiving mail and packages. USPS approved mailbox products are commonly used in apartment complexes, commercial buildings, residential developments, condominiums. Available in a range of styles, such as cluster box units , horizontal mailboxes , and vertical mailboxes , our commercial mailbox solutions cater to a wide variety of requirements while offering. The vertical mailbox is an ideal indoor mailbox solution for your apartment tenants, provided you have USPS Approval to purchase and install for replacement purposes. Local: 262-782-6510 Toll Free: 800-571-0147. Custom solutions. 4C Apartment Mailboxes. No matter the type of commercial property you operate—from schools to nursing homes to apartment complexes—a mailbox is a necessary feature. H 6-1/8 in. 4B+ Vertical mailboxes are U. Florence; KKA - Key Keeper (Key Lock Box) - Surface and Recess. These (USPS Approved) high security type Cluster Mailboxes are outdoor rated and weather resistant and weather-proof. Today, there are a variety of colors and designs for commercial mailboxes. This might sound obvious, but it’s easy to install one commercial mailbox and think you have everything covered. Browse U. USPS-approved and private use 4C, 4B+, Cluster Box Units, & more. Recessed mount and surface mount options are available. (Normally In-Stock) Excludes CBUs with custom numbering. 0449 228 204. 75. Mail Supply carries the best selection of indoor & outdoor mailboxes for Minnesota apartments & businesses. These mailboxes are ideal for apartment complexes, universities and military housing. 1. P. Whether you are a property manager, HOA, contractor, land developer, apartment complex owner / manager, an architect, or work for a university, you have come to the right place for pre-configured commercial mailboxes. Browse Mailboxes & Drop Boxes Sub Category. Cluster, Freestanding, Horizontal, and Vertical Mailboxes. CMC offers a wide range of products, whether you require vertical, horizontal, recessed wall mounted or pedestal type mailboxes for Interior or Exterior application for residential apartments, commercial buildings or private mailboxes, collection or drop off boxes, key keepers, key cabinets, postman’s electric door opener, cigarette. Rated 4. Standard pre-configured modules with integrated parcel lockers in 12 different heights. 97 Free Shipping. The vertical mailbox is an ideal indoor mailbox solution for your apartment tenants, provided you have USPS Approval to purchase and install for replacement purposes. U. EMPTY. Cluster mailboxes are ideal for commercial buildings, multi-family housing units, apartment complexes, government and military bases, schools, colleges and other residential and commercial developments. Durable, Lockable, Vertical Mailboxes for Apartment Use. we offer a vast selection of commercial mailboxes for university and college. Mail Supply carries the best selection of indoor & outdoor mailboxes for South Carolina apartments & businesses. Ideal for commercial buildings, multi-family housing units, apartment complexes, government and military bases, schools, colleges and other residential and commercial developments, cluster mailboxes are ultra-durable and provide a secure means of receiving mail and packages. Model # 4B140074PLA. S. Wall mount design perfect for locations such as maintenance rooms and offices. 00. U. 6 or more. 00 $2,379. 12 Door USPS Approved Cluster Mailbox. Dimensions. Choose high end vintage style large cluster mailboxes or simple small indoor lockable horizontal mailboxes for a lobby area or entryway. U. USPS-Approved. $375. Get a quote today. Gary Lewis. $2,090. At BudgetMailboxes. Mailboxes come in units with three to seven compartments. com or by phone at 1-800-624-5269. According to USPS mailbox requirements, commercial mailboxes should abide by Standard 4C Mailbox Specifications. Tenant Locks and Keys are Included (Includes 2 Keys per Door or per Lock) Constructed and Manufactured of Heavy Duty Extruded Aluminum. com or by phone at 1 (513) 625-1409. Made entirely of aluminum, 3600 series 4B+ horizontal mailboxes are U. Local: 262-782-6510 Toll Free. Recessed Mounted 4C Horizontal Mailbox - 11 Door High Unit (41 3/8 Inches) - Double Column - 10 MB1 Doors / 2 PL5s - Front Loading - USPS Access. For centralized mailboxes, no parcel. 00. Made of heavy-duty steel and aluminum, horizontal mailboxes are built. USPS-Approved Commercial Nevada Mailboxes. The Salsbury Standard Cluster Mailbox and Regency® Decorative CBU Type I, Type II, Type III, Type IV, Type V, Type VI and Outdoor Parcel Lockers (OPL's) are all licensed and approved by the U. Postal Products Unlimited, Inc. Local: 262-782-6510 Toll Free: 800-571-0147. Please add any product descriptions or additional comments. We carry outdoor apartment mailboxes, cluster units, pedestal. Free Freight for all orders in November! Quantity: Page 1 of 2 1 2 Next. If you purchase a commercial mailbox from us and decide to cancel because a competitor lists a "faster" lead time on their site, you may be delaying the time it will take to receive your mailboxes. Call Our Experts Today (866) 717-4943 Free Shipping Over $30. Commercial Mailboxes. Save 16%. You may end up with a few receptacles in your mailbox that no one uses, that’s okay. They differ from residential mailboxes in that they: Require keys to access, adding security. Apartment Mailboxes. Custom solutions. Three tips on numbering CBU cluster mailboxes for residential use include safety, ease of use and. 4B Apartment Mailboxes; Vertical Mailboxes; Drop Boxes & Collection Boxes; Private Delivery Mailboxes (Multi-Tenant) Residential Mailboxes . US Mail Supply carries a huge selection of commercial mailboxes built to USPS specifications. S. Postal Service will only deliver to your mailbox if it's up to. Feature a durable powder. We manufacture the highest quality postal products—residential mailboxes, commercial mailboxes, apartment mailboxes, cluster box units, mail center products, locking mailboxes, mailboxes approved directly by and made for the United States Post. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines. 00 $1,224. With a range of features designed to enhance security, convenience, and durability, the 13-unit cluster box offers numerous benefits for property. The 12-unit pedestal cluster box is a versatile and reliable mailbox solution that is commonly used in multi-unit residential buildings and commercial properties. Sort By:. and suitable for. In these cases, centralized mail systems are often needed to handle regular mail and packages. Shop all categories. S. These commercial mailboxes are used in college dorms and apartments, as well as office parks. Postal Service mail delivery and those with private mail distribution. S. National Mailboxes offers a wide selection of high quality USPS Approved and private use-access style Pedestal Mailboxes. 00 Florence; 1570-8AF - 8 Tenant Door Standard Style CBU Mailbox (Pedestal Included) - Type 1 $1,989. Residential, commercial 4C, USPS-Approved, private use, & more. This kit allows your 4C mailbox and Parcel Locker center to be easily mounted indoors or outdoors! 4C Commercial Mailboxes are USPS Approved and meet or exceed STD-4C. Community Building Mailboxes For Sale - USPS Approved & Private Use. EMPTY. 50. These are mailboxes that as the name suggests, have vertical compartments (usually 5-10 per unit) or square-shaped compartments stacked on top of one another. A. Mail Supply's selection of highly trusted and weather & vandalism resistant locking apartment mailboxes are perfect for your building. S. Leaks, cracked sidewalks, lighting issues, and mail complaints are all common things that a property manager will need to address when it comes to preventing too much tenant turnover and losing money. Get a quote today. 1600 / 1700 64; trash-recycling 12;Mailsafe Mailboxes offer Australian made, quality assured mailboxes and letter boxes for residential or commercial developments. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW. For 4C mailboxes, ensure that no parcel. mb1 doors. 4C Pedestal Mailboxes. USPS-Approved. Commercial USPS delivery & private delivery Shop indoor and outdoor mailboxes for apartment complexes, condos, offices, colleges, or local businesses. Centralized mailboxes must follow the ADA, with no parcel locker below 15 inches from ground height, and all. Postal Service will only deliver to your mailbox if it's up to. The material of the mailbox and any decorations will change the price tag. Secure CBU mailboxes for communities and apartments that meet USPS standards. You save: $595. Meets Australia Post design requirements. Here are the average price ranges for different mailboxes: Pedestal- or pillar-mounted: $1,200 to $2,100. S. Horizontal Doors These doors are more square or slightly rectangular, and are used in commercial or residential buildings. 4C horizontal, 4B horizontal, and 4B vertical mailboxes are all great mailboxes for apartment buildings. master lock. With many different door configurations and number of tenant door models available to choose from, National Mailboxes prides itself for being the North American leader for both residential style and commercial style wall mounted mailboxes. Custom solutions. If you can't find cluster mailboxes or single security mailboxes that you need on our website, then let us. Commercial mailboxes for private distribution are designed for multi-tenant applications and are available in aluminum style, 4C horizontal mailboxes, freestanding units, and a variety of other products. Salsbury 35 Door 4B+ horizontal style commercial mailboxes are ideal for apartments, condominiums, office buildings, military bases and residential developments. Installation is easy and painless. Flexible Options: Commercial mailboxes come in various sizes and configurations, accommodating the specific needs of your business. If you are serving a small office or apartment building, or are looking to mount mailboxes inside each individual apartment building of a complex, vertical mailboxes typically have 5-10 units each and are designed with smaller numbers of customers in mind. . 4 Large Tenant Door Standard Style High Security CBU Mailbox with 2 Parcel Lockers (Pedestal Included. Champagne hairline finished MODA mailboxes for 193 luxury apartments. USPS Commercial Mailboxes FILTER. These mailboxes are corrosion resistant and rustproof, increasing the service life for your property and tenants. This serves as a great space saver. Search for:. All 4C mailboxes work well indoors or outdoors. Curbside mailboxes are excellent for boosting a home’s curb appeal and value. Call 1-800-676-5161 or Email for Current Wholesale Pricing. $2,079. Model # 1570-8T6. Model # CBU-12. It offers centralized outdoor mail delivery and receipt for numerous tenants. 97 Free Shipping. Mail Supply carries the best selection of indoor & outdoor mailboxes for New York apartments & businesses. Each compartment is 6-3/4” D. Commercial Mailboxes. Commercial Mailboxes. Commercial mailboxes not only have customer compartments and lockers, but also often contain means for outgoing mail, such as mail slots and sometimes package drops. Many models include parcel lockers and letter drops for outgoing mail. $2,379. With the door replaced, replace the rod by sliding it up through the main door. All tenant doors come standard with 5 pin cylinder cam locks for maximum security along with (2) keys per door. Mail Supply carries the best selection of indoor & outdoor mailboxes for Arizona apartments & businesses. You can recess mount or surface mount. 13. Commercial mailboxes refer to those that serve apartment complexes, large businesses, college campuses, and similar places. Made of heavy-duty steel and aluminum, horizontal mailboxes are built to meet the size and construction requirements of the United States Postal Service. 4b+ apartment mailboxes 36. Model # 3507SU. When it comes to mailboxes, there are two types of properties: those with U. 4C Horizontal commercial mailboxes are designed to ensure that a maximum number of. FAQs Request a Quote Contact. 00 Free Shipping. Also available for an upcharge is a locking hinged rear door equipped with a commercial lock for access by mail delivery personnelUSPS-Approved Nebraska Mailboxes for Commercial Properties. Whitehall Multi Mailbox Capitol Triple Package Whitehall Products. Click below for the standard commercial models offered. They make a great choice because they are ultra-durable and come in various sizes and color options. P. US Mail Supply carries a selection of outdoor commercial mailboxes approved for both private and USPS delivery. $2,386. Our USPS. Mailboxes. USPS-Approved. Shop depot mounted STD-4C mailboxes for private delivery and USPS approved wall mounted commercial 4C horizontal mailboxes & collection boxes. Post-Mounted: $375 to $1,850, Surface-Mounted: $600 to $2,100. Place the pedestal, matching the holes, and check it. Everyone needs mail delivery. Salsbury Quadruple Roadside / Designer Mailbox Post Package Salsbury Industries. They are front loading style and include parcel locker compartments for packages, an outgoing mail compartment for outgoing mail and pedestal stands for mounting. These boxes have two names, some people say Neighborhood Delivery Collection Box Unit. Categories: General Mailbox. Door Size: 6-3/8″W x 3″H. And that applies no matter where you live. Postal Service will only deliver to your mailbox if it's up to. S. The Mailboxes are available in 4 different sizes (1-8 boxes high x. D Wall Cut Width:. Colleges and Schools. Local: 262-782-6510 Toll Free: 800-571. 00 Free Shipping. Salsbury 2100 Series Americana Mailboxes - Front Loading - Private Access Features. 00 Free Shipping. Locked mailboxes, however, should not be higher than 67 inches or lower than 28 inches from the floor. USPS-Approved. Wholesale Pricing $2,031. All tenant door locks and keys are included. S. USPS-Approved Commercial Mailboxes in New York. top lid. $179. Outdoor Mailboxes; Indoor Mailboxes; 4C Mailboxes; 4B+ Vertical Mailboxes; Drop Boxes &. Model # CBU-12. For this reason, businesses cannot place flyers, promotional materials, or other items inside a mailbox. Multifamily Mailboxes. Find quality Vario 4C Outdoor Mailbox Shelters from NationalMailboxes. Sort by: Top Sellers. Ideal for commercial buildings, multi-family housing units, apartment complexes, government and military bases, schools, colleges and other. Cluster Box Unit With Finial Cap and Traditional Pedestal Accessories -16 Compartments. S. If you purchase a commercial mailbox from us and decide to cancel because a competitor lists a "faster" lead time on their site, you may be delaying the time it will take to receive your mailboxes. Depending on the size and style, each box can cost $1,000 or more. Shop vertical apartment mailboxes available in 3-tenant and up to 7-tenant door configurations. US Mail Supply’s 3500 series are USPS-approved and designed for many multifamily complexes. USPS Approved Commercial, Apartment, & Residential Units The U. Front Loading Commercial Parcel Locker Mailbox. Postal Products Unlimited, Inc. Portrait, landscape and newspaper bay variants available. Local: 262-782-6510 Toll Free: 800-571. S. to access a key and deliver the mail. If you’ve looked at commercial mailboxes on the National Mailboxes website, you may have noticed that some are labeled USPS-Approved or For Private Delivery. They are made entirely of heavy duty extruded aluminum along with all stainless steel components and hinges. Next post: The Most Ideal Locations for Multi-Unit Mailboxes at Apartment Complexes. These types of mailboxes are freestanding and pedestal-mounted. The anodized aluminum finish, exclusive to Florence vertical mailboxes, is the favored choice for apartment building lobbies for two reasons: (1) Its striated finish is unmatched in its scratch-resistance; and, (2) Its aluminum finish is absolutely impervious to the damaging rays of ultraviolet light. Clean the area, and place the gasket, matching up the holes. biz 39 Cavendish Rd, Coorparoo Qld 4151 Height Unit - 56-1/2 in. ” This lock is used for the local post master to open the unit and deliver the. 97 + free shipping Florence Anodized Aluminum Florence 4 Door Vertical Mailbox $369. Number of Compartments: 13 in Cluster Mailboxes. For a more modern look, go with apartment mailboxes in black or gray. The New 4C Horizontal: For mailboxes mounted inside walls, such as those found in some apartment buildings or in outdoor kiosks, the 4C. These commercial mailboxes are constructed of thick heavy-duty gauge aluminum. Here at All American Mailboxes Of San Antonio we are well-known for our mailboxes. And the need for apartment mailboxes is growing; currently, over a third of renters live in apartments. 00 Free Shipping. Choose an option…. Get a quote today. The Salsbury Standard Cluster Mailbox and Regency® Decorative CBU Type I, Type II, Type III, Type IV, Type V, Type VI and Outdoor Parcel Lockers (OPL's) are all licensed and approved by the U. The new, USPS-approved 4C series of mailboxes contain multiple horizontal customer. Whitehall Rolling Hills Plaques - Standard Wall - Two Line Address Plaque. In New Hampshire, the installation requirements for all mailbox types are the same as they are nationwide. What are commercial mailboxes? Commercial mailboxes are central delivery systems where a US Postal worker can deliver mail to multiple tenants at one location. Perhaps the most customizable type of mail station is the kiosk. Salsbury 3600 Series Standard 4B+ Horizontal Mailboxes are ideal for. Before you buy, you should understand. This requirement differs when it comes to parcel lockers. Not Sold in Stores. com online catalogs. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox. Model # 3503. Apartment Mailboxes for Sale Commercial Mailboxes USPS Approved Mailboxes. Front loading units require one compartment to be a master door for USPS use. 71 out of 5 based on 14 customer ratings. Preventing mail and package theft will attract residents and renters, and mailboxes can also improve the convenience of your property. CBU / 4C Doors Commercial USPS delivery & private delivery Shop indoor and outdoor mailboxes for apartment complexes, condos, offices, colleges, or local businesses. Elevate your campus's property's mail management system by opting for our private-use and USPS-approved apartment mailboxes. Cluster Mailboxes; Recessed Lobby Mailboxes; 4B Apartment Mailboxes;. When you set up your 4C mailbox, the local post office will install an “Arrow Lock. Mail Supply. Salsbury vertical style commercial mailboxes are ideal for apartments, condominiums and office buildings and are designed for replacement and retrofit installations. USPS-Approved. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the. Architectural Resources. Provide them with the details of the incident, including the recipient’s name, address, and the date of delivery. Showing 1–27 of 44. They contain 8, 12, 13, or 16 individually locked mailboxes and parcel compartments. Some cluster mailboxes come with parcel lockers already installed, while other parcel lockers may fit alongside or under mailboxes for easy access. Related Top Selling Commercial Mailboxes: Classic Decorative Style Cluster Box Units (CBU) – USPS Approved; Rear Loading Brass Wall Mount Horizontals – For Private Use/Access; Victorian Pedestal Locking Mailboxes – USPS Approved; Similar Vertical/Apartment Mailboxes: 6 Door Standard Vertical Mailbox Unit with Powder. These types of cluster box unit (CBU) mailboxes and 4C mailboxes are the ideal mail delivery solution for apartments and universities as well as businesses and any other multi-tenant property. Each aluminum door includes a 5 pin. Centralized mailboxes are the most common mailbox type for apartment complexes, with multiple customer compartments and parcel lockers contained in a single cabinet. U. You want to select an option that will work in your property’s central location while adhering to USPS regulations. Mailboxes anchored directly to the home may be less likely to be vandalized or have its contents stolen. 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. 00 Free Shipping. A few top commercial mailboxes for sale in Washington include: Cluster Mailboxes. Salsbury vertical style commercial mailboxes are ideal for apartments, condominiums and office buildings and are designed for replacement and retrofit installations. About US. For more product info contact the National Mailboxes Customer Support Center at 1-800-676-5161. Apartment letterbox specialists with Australia's largest available range including stainless steel mailbox banks and heavy duty aluminium. Wholesale Pricing $2,031. View Options. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. Thanks again for visiting NationalMailboxes. maybe it has sustained some damage; maybe you are remodeling the area where it is located; or maybe the next generation mailboxes have security that is far superior to what you are currently using. Standard Tenant 4C Door Size: 3. 5 Easy Ways to Order: 1: Online Ordering: Full Product Line 2: Phone: (800) 676-5161 (M-F 8am-5pm CST). S. These apartment mailboxes come in a variety of colors, shapes, and sizes to best fit your individual apartment. $1,999. S. Assembled Width (in. Door slots were once the most common type of “mailbox” used for apartment delivery, and frequently seen in cartoons and movies. It’s spacious and features 12-door, 13-door, or 16-door configurations with keylocks. Texas Home and Commercial Mailboxes. Visual inspections can help identify signs of wear and tear, damage, or tampering. Choose high end vintage style large cluster mailboxes or simple small indoor lockable horizontal mailboxes for a lobby area or entryway. This mailbox. D Wall Cut Width: 28-5/8 in. Extra tenant keys can also be purchased with new locks and replaced. Curbside mailboxes must be between 41 and 45 inches tall for easy access and must stand 6 to 8 inches back from the curb. Curbside mailboxes of all types must stand between 6 to 8 inches from the curb and be between 41 and 45 inches high to follow national requirements. Stay on the lookout for commercial mailboxes that are USPS. Local: 262-782-6510 Toll Free: 800-571-0147. If mail theft or package theft has been an issue on your property or community, replacing your old mailboxes with more secure models is a must during any renovation process. Tip 1: Choose the Best Type of Commercial Mailbox. delivery include cluster box units (CBUs), 4C horizontal mailboxes, 4B horizontal mailboxes, 4B vertical mailboxes and a variety of additional products. Buy pedestal-mounted, wall-mounted, indoor, outdoor, and CBU mailboxes. Commercial & Apartment Mailboxes. bron@clotheslinesletterboxes. Give us a call today to learn more or to find the right mailbox for you. Info About 4B+ Horizontal Mailboxes . $3,786. The USPS 4B+ security kit, which comes. Model # 140054A. Colors apply to select mailboxes which include most of the primary USPS Approved commercial. Know how many units you need and where you want to mount or recess them. 00 Free Shipping. S. Horizontal 4C mailboxes are USPS approved (STD-4C) and 4C depot style mailboxes are for private deliveries only.