4B Horizontal Mailboxes. Colors: Standard color is Anodized. Approved by the postmaster general. Model # 4615. Wall-mounted mailboxes simply hang on the wall of a home or small business and have a. 161. 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. The units range in size from eight to 30 doors, so you get a heavy-duty mailbox that fits your facility. Find My Store. Make sure your mail carrier has safe, easy access to your mailbox. 120. 99 $ 109. FAQs Request a Quote Contact. These units can come as freestanding, wall-mounted, or recessed models. Gibraltar Solar Townhouse Wall-Mounted Mailbox. Both types of mailboxes have a high potential for customization. Wholesale Pricing $ 2,072. Townhouse Wall Mount Mailboxes are conveniently accessed from the top through a 15″W x 4-1/2″D opening. Mail Slots - USPS Approved Home / Residential Mailboxes – USPS Approved / Wall Mount Type Residential Mailboxes - USPS Approved / Mail Slots - USPS Approved. To replace your curbside mailbox with a wall-mounted mailbox, you must get your local postmaster's permission. Color: Black, Green, Silver, and White. Private Delivery Mailboxes. 4CADD-10 - 10 Tenant Doors with 2 Parcel Lockers and Outgoing Mail Compartment - 4C Wall Mount ADA Max Height Mailboxes $1,404. Vary in height and mounting options. Unit Size: 24-1/4″W x 19″H x 7-1/2″D Tenant Compartments: 4 Tenant Compartment Size: 5-1/2″W x 16-1/4″H x 6-3/. Approved for private use and USPS delivery, our manufacturers build outdoor commercial mailboxes to meet USPS size and construction standards. Ensure that the flap if working properly and allows delivery. 00 Free Shipping. Approved for USPS residential door mail delivery. 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. They can be used for indoor and/or outdoor centralized mail delivery. These units are for indoor. 4. S. P. Residential Apartment Mailboxes. The Mail Boss Olympus Wall Mounted Locking Security Drop Box is designed to truly secure incoming mail, money, checks, keys, ballots, and more. 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. Choose from Parcel Lockers that meet or exceed all security requirements of the USPS STD-4C regulation for wall-mounted mail receptacles. These (USPS Approved) high security type Cluster Mailboxes are outdoor rated and weather resistant and weather-proof. 13 door CBU’s feature (13) Larger sized locked compartments, (1) parcel box and (1) secure outgoing mail slot. Typical: $68. The NEW line of 4C Horizontal Wall Mount mailboxes at National Mailboxes are perfect for apartments and multi-tenant buildings. Wall-mounted USPS-approved STD-4C mailboxes (4C). 4. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. These high quality residential mailboxes are offered in these finish colors: black, gray, sand, bronze or gray. Mailboxes used in new construction projects can be one of the following two types of centralized mailbox equipment: Pedestal-mounted USPS-approved CBU. 4C Horizontal mailboxes are designed to ensure that a. 4C Horizontal commercial mailboxes are designed to ensure that a maximum number of. 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. Other Mailbox Products. The mailbox is made from polypropylene plastic, which will never rust. S. Wall Mount Mailboxes. Decorative wall-mounted and column mailboxes are offered in different colors and styles to match all luxury homes in residential areas. Best Seller. Stainless steel hingesBEST WALL MOUNTED: Gibraltar Mailboxes Locking Wall-Mount Mailbox; BEST POST MOUNTED: Mail Boss Street Safe Security Locking Mailbox; BEST MODERN: Mail Boss High Security Steel Mailbox; BEST. 63” x 7. Get details on package mailbox sizes and proper installation, plus find retailers that. For Private Use/Access Only (Private Party Distribution) Front Loading Style. 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. USPS approved for 1:1. Put the Post In the Hole. Lowest Prices on Mailboxes, Period. $1,999. Showing all 2 results. The New 4C Wall Mount Collection Drop Boxes from National Mailboxes are ideal for all your individual or business collection needs. Commercial mailboxes are those centralized types that serve office buildings, apartment complexes, college campuses, and more. Prepared for USPS modified arrow lock. 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. 00 $2,606. Local: 262-782-6510 Toll Free: 800-571-0147. Antique Brass Mailboxes are made of solid brass and are handcrafted to provide a custom look. 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. Collection / Drop Box with pull down hopper for mail collection – designed to match 4C mailboxes. They are USPS approved and are available with front and rear loading compartments. With a durable powder coat finish, the Townhouse keeps its good looks and your mail stays. Mailbox regulations apply for post box mailboxes, wall mount mailboxes, mailbox kits and parcel boxes alike. 50 View Options. Also, don’t forget to check out some of our most popular products. Wall-mounted mailboxes must be installed in an obvious and easy to reach location. Doors come with Standard Number Slots for Door Identification. Multiple 4C Mailbox units can be used together to create larger centralized mail delivery installations. 00 $735. When most think of residential mailboxes, curbside and wall-mounted mailboxes come to mind. Showing the single result. S. All you have to do is attach it to a fence, wall, or stand. . Product Compare (0). for pricing and availability. National Mailboxes’ new high security 4C mailboxes provide a simple, easy to use, pre-configured product line of mailboxes and parcel lockers. Traditional Mailbox - Decorative - Horizontal Style. S Postal Service security requirement of USPS STD-4C regulation for 4C wall mounted mailboxes and 4C pedestal mailboxes. Commercial Mailboxes. A parcel locker requirement based on a 1:5 parcel locker to mail compartment ratio (effective July 2020). P. 50+ bought in past month. Accommodate 1-29 residents per Mailbox Unit. S. S. New High Security 4C Series. W and can be mounted directly to a wall using the included mounting hardware. 3500 Series 4B+ vertical mailboxes are USPS approved for replacement / retrofit purposes only. Yes, all of our curbside mailboxes are U. U. Customers can also mount 4C mailboxes in a kiosk or shelter. If your mailbox is on a different street from your. SKU: 3506RU. Wall Mount Black Metal Small Mailbox. USPS Approved Commercial, Apartment, & Residential Units The U. 782. They can be wall-mounted or. We Install! Mailbox Emporium offers cluster mailbox installation for orders of three or more CBU’s. Currently, the 4C line of mailboxes are approved by the USPS, with the older 4B models being phased out and no longer. The maximum T3 mailbox size is 13. SKU: 3507RU. FREE delivery Wed, Nov 1 on $35 of items shipped by Amazon. Our Oasis secure locking mailboxes are offered in two pedestal style mounts: concrete pad mount or in-ground mount style. It has ample space for letters, bills, and advertisements. Fit More in Your Extra-Large Mailbox. What to Know About Mailboxes Before Shopping . Includes 5″ detachable magazine hooks. With a range of features designed to enhance security, convenience, and durability, the 16-unit cluster box offers numerous benefits for property. 00 $ 229. CBU Commercial Mailboxes - 8 Door with 4 Parcel Lockers. Or, if direct USPS pickup is needed, there are models that are USPS-approved as well. S. 00 out of 5. Mail Supply offers USPS-approved commercial mailboxes and commercial mailboxes for private delivery to give you versatile options for public and internal deliveries. 3 Compartment Surface Mount Vertical Mailboxes - Anodized Aluminum. Gibraltar Mailboxes Mailsafe Medium, Aluminum, Locking, Wall-Mount Mailbox, Black, MSK00000. Shop Residential Column and Wall Mounted Mailboxes. D compartment size easily accommodates most sizes of mail. $5899. 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. They come with a high quality powder coat finish in four attractive colors including Black, Green, Beige and White. Column Mailboxes. (9:00 am to 7:00 pm ET) Saturday 7:00 am to 3:00 pm PT. Recessed In-Wall Mount Style or Surface Mount Style with Surface Mount Collars also Available. 3308-U. The box alone measures 21. A parcel locker requirement based on a 1:5 parcel locker to mail compartment ratio (effective July 2020). Find My Store. $2,859. 00. USPS Approved Illinois Mailboxes for Residences. 3. They only get better with age because they are made from natural brass with no coating or finish over them, just a. W x 16-1/2 in. Rated 5. Our residential mailbox product line covers wall-mounted, post-mounted, and column-mounted mailboxes all with a variety of decorative options. Cluster mailboxes are approved by the USPS for multi-tenant and commercial centralized mail delivery. Wall-Mounted Mailboxes . Wall-mounted mailboxes simply need to hang near a front door or above a porch in most cases and have no obstructions that would prevent USPS delivery. Mail Supply offers many USPS-approved locking mailboxes that will keep your mail safe from theft. Wall. Salsbury 3507SU 7 Door Vertical Mailbox Surface Mounted USPS Access. Wall Mount Type Residential Mailboxes have been a very popular product line and specialty offered by National Mailboxes for many years. 8 Available Colors. Get free shipping on qualified Wall Mount, Locking Mailboxes products or Buy Online Pick Up in Store today in the Hardware Department. 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. 00 Free Shipping. $66. Please contact us at 888-352-9194 for pricing. Outdoor Parcel Lockers. We offer locking wall mount mailboxes in many styles, so you’re sure to find the perfect mailbox for your home or business. Column Mailboxes. 00 $299. 4C Horizontal commercial mailboxes are designed to ensure that a maximum number of. 99. 4C Horizontal commercial mailboxes are designed to ensure. Mail Boss Olympus Drop Box High Security Locking Wall Mount MailBoss by Epoch Design. Top 12 Locking Mailbox Reviews. They are USPS approved but can also be used for private party access and distribution. 1-48 of 153 results for "locking mailbox usps approved" Results. We have a wide range of styles and brands for both residential and commercial use. $1,600. Salsbury Industries offers a wide variety of column mailboxes for brick, stucco or wall enclosures. At BudgetMailboxes. Traditional Mailboxes are made of electro-galvanized steel and are accessed through a top lid. Anchor Bolts – Anchor bolts are used to secure the cluster mailbox pedestal base to concrete. Ensure that the flap if working properly and allows delivery. Front Loading Style. Tenant door locks and keys are included along with standard protective. Wall-mounted USPS-approved STD-4C mailboxes (4C). Mail Boss’s 7506 Curbside Locking Security Mailbox offers one of the more secure designs among all our choices. ShoppingOnBed Extra-Large Black Galvanized Steel Post-Mount Mailbox, 11. Strengthened security requirements for. You may purchase single units for private delivery or several standard units. Accommodate 1-29 residents per Mailbox Unit. Shop outdoor pedestal & indoor wall mounted multi unit mail boxes for USPS delivery. 2. 8 Door USPS Approved Cluster Mailbox. 97 + free shipping. $2,749. Mail Supply - perfect USPS approved or private use boxes for commercial or residential areas. $3099. The address must be on the same side as the flag or on the front of the mailbox. S Postal Service security requirement of USPS STD-4C regulation for 4C wall mounted mailboxes and 4C pedestal mailboxes. Made of heavy-duty steel and aluminum,. Architectural Mailboxes 6200B-10 Locking Mailbox – The Big Box. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the. Mailbox includes surface mount collar for flush wall mounting. The New 4C Wall Mount Collection and Drop Boxes from National Mailboxes are ideal for all your individual or business collection needs. USPS Approved Mailboxes for Apartment Buildings. Amazon's Choice in Post-Mount Mailboxes by Mail Boss. Postal Service will only deliver to your mailbox if it's up to their standards - including box size, location, slot dimensions and identification info. Local: 262-782-6510 Toll Free: 800-571-0147. 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. Top Picks. This classy yet modern steel-made mailbox has a rounded rain. S. Fast Delivery. 6, 2006, is approved for replacement. In addition to its durable construction, the Windsor features an ultraviolet inhibitor to protect it from weathering. All mailboxes must meet USPS installation regulations to ensure your mail is delivered. 00 $1,339. Gibraltar Mailboxes. Add to Favorites Watercolor Autumn Mailboxes Clipart - cute rustic floral post boxes in PNG format. Wall Mount Type Residential Mailboxes have been a very popular product line and specialty offered by National. The Benefits of Your 8 Unit Outdoor Cluster Mailbox. Please contact us at 888-352-9194 for pricing. 00 $598. Made entirely of aluminum, Salsbury 3500 series USPS approved 4B+ vertical mailboxes feature a durable powder coated finish available in three (3) contemporary colors,. The NEW line of 4C Horizontal Wall Mount mailboxes at National Mailboxes are perfect for apartments and multi-tenant buildings. Recessed In-Wall Mount Style or Surface Mount Style with Surface Mount Collars also Available. The shift away from 4B recessed and wall mount mailboxes started in 2006. Vertical Mailboxes. 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 View OptionsWall Mounted Mailboxes are designed to be mounted on walls, doors and other flat surfaces and are available in locking and non-locking styles. $3,028. 4C Mailbox with 20. 05 /box (10) Model# 3505ASU. Strengthened security requirements for 4C units. Planter Mailbox: West Elm ″Downtown″ Mailbox. This USPS Approved Delivery Vault comes equipped With a Full Service Locking Letterbox, a unique security drop door mechanism (U. Includes: Mailbox, Pedestal, Number Decals #1-4 & 1P, 2P, Cam Locks, and (3) Keys per Tenant Box. $109. USPS Approved Mailboxes; Private Delivery Mailboxes; Mailroom Supplies & Furniture. Shop Package 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. Learn More. Cast Aluminum – Locking mailboxes are made of die cast aluminum and feature a solid brass mail flap and a locking eagle or plain door. Made entirely of aluminum, Salsbury 3500 series USPS approved 4B+ vertical mailboxes feature a durable powder coated finish available in three (3) contemporary colors, aluminum, bronze and sandstone. Courtyard Decorative Brass Recessed In-Wall Mount Residential Locking Mailbox (USPS Approved) – HSI-176L Wholesale Pricing $ 700. The versatile™ 4C Depot cabinet is a free-standing installation option for our secure, durable STD-4C wall-mounted mailboxes and parcel lockers. As of October 5, 2006, all new construction and renovation designs in buildings require U. 9" Red,ME001R2. Wall Mount Type Residential Mailboxes - USPS Approved. USPS Approved Commercial & Community Mailboxes. Tenant Compartment Size: 5-1/2″W x 16″H x 6″D. Made entirely of aluminum, the Vertical H1250 series USPS approved 4B+ vertical mailboxes are only available in an anodized aluminum/silver finish. Locking Mailboxes. Choose from mailboxes that meet or exceed all security requirements of the USPS STD-4C regulation for wall-mounted mail receptacles. U. Call Our Experts Today (866) 717-4943 Free Shipping Over $30. 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. 13 Door CBU's. The USPS-4C Standard includes the following specifications: A minimum size requirement for mailboxes (12” W x 3” H x 15” D). FREE delivery Mon, Nov 13 on $35 of items shipped by Amazon. 5. 00 Free Shipping. At Salsbury, we are proud to offer robust mailbox designs in a variety of styles, colors, sizes, and configurations to fit your unique needs and preferences. Each mailbox is hand made so it is a unique work of art with its own individual character. In-Wall Mounted Parcel Lockers for Standard Horizontal Mailboxes – For Packages Only – USPS Approved (3) In-Wall Mounted Rack Ladder Parcel Lockers H2200 Series - For Packages Only (9) Custom Horizontal Wall Mount Parcel Lockers - For Packages Only (6) 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. Model # CBU-12. 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. Wall-mounted mailboxes merely need to be installed in an obvious location such as near a front door. 00 Free Shipping. This will allow the postal carrier to place packages, letters, cards, magazines, and catalog inside the box. Anchor Bolts – Anchor bolts are used to secure the cluster mailbox pedestal base to concrete. Product Details. 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). $2,079. Flexible, customizable solution for individual project needs. Just level the ground, adjust the post height to USPS. Choose from Parcel Lockers that meet or exceed all security requirements of the USPS STD-4C regulation for wall-mounted mail receptacles. Mail Boss 7500 Locking Mailbox – Install Ready & Durable. Modular designs with nearly 150 base modules. 300+ bought in past month. 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. $18. Contact us online , or call (541) 389-4928 for more details. Call us today for more information at 1-800-676-5161. 50CUSTOM STAIN Farmhouse rustic mailbox, mailbox wall mount, hanging mailbox for letters. Shop U. Shop commerical mailboxes. USPS Approved Residential Mailboxes in Georgia. All mailbox dimensions and designs must be approved by the Postmaster General (PMG) before it can be sold. Join more than 70,000 satisfied customers who shop with us when they need mailboxes for sale in Tennessee. The USPS approved Full Service Vault offers the ultimate in secure mail and package delivery. With 4 parcel lockers, the Versatile™ mailbox is designed for private delivery. Mail Supply today or call us at 262. US Mail Supply offers a variety of locking mailboxes for all commercial properties. Better Box Decorative Mailbox With Paper Box, Black by Better Box Mailboxes (25) $415. Post Mount Mailboxes Wall Mount Mailboxes Mailboxes With Post Smart Parcel Delivery Boxes. Multi-unit buildings constructed before then can replace the existing model with a new 4B mailbox. We have the largest inventory of Florence (CBU) USPS approved cluster mailboxes. Cluster Box Units (CBU’s) 4C Horizontal Mailboxes. Curbside mailboxes in Maine follow national regulations and must also be on the right side of a driveway. Each model is available in two door designs:. S. 99 $97. Many home and business owners have adopted the wall mount design tVertical Commercial Mailboxes (replacement only) For apartment and multi-tenant properties desiring to replace vertical commercial mailboxes, an excellent choice may be the USPS-approved Vertical Mailboxes. They are manufactured of heavy duty die cast aluminum and are available in several durable powder coat finish colors. 183. The NEW line of 4C Wall mount mailboxes from National Mailboxes are perfect for apartments and multi-tenant buildings. Mounting hardware is sold. com offerings feature three main styles of residential mailboxes: . Letter Boxes can be mounted on the surface of a wall or recessed into a wall. S. Incorporate security features to help prevent break-ins. High-quality Commercial Mailboxes made in the USA With all the same features and options, security, and durability of the National Mailbox wall-mounted 4C modules, pedestal mounting simply adds greater flexibility to your project as it is not tied to the USPS regulations. 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. Only USPS Approved for replacement purposes (replacing existing Vertical mailboxes in same location). Providing USPS Approved Washington Residential Mailboxes. 98 16% Off. 99 $162. Shop vertical apartment mailboxes available in 3-tenant and up to 7-tenant door configurations. com, we offer high-quality, innovative, and USPS-approved mailboxes. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines. Offered. The mail carrier shouldn’t have to fold US Priority Envelopes to fit it into the slot. Designer Black with Satin Nickel, Medium, Steel, Locking, Wall Mount Mailbox (460) $ 32. Unit Size: 17″W x 15″H x 8″D. The USPS-approved Package Master delivers unrivaled security and protection against mail identity theft, package theft, and vandalism. SKU: 3503SU. Model #6300P-10. We carry residential post mailboxes, indoor mailboxes, wall mounted residential mailboxes, and everything inbetween. They are the easiest types to install and work well in suburbs and rural settings. Local: 262-782-6510 Toll Free: 800-571-0147 Mailboxes used in new construction projects can be one of the following two types of centralized mailbox equipment: Pedestal-mounted USPS-approved CBU. It’s also a good idea to make sure that your wall-mounted mailbox is between 41 and 45 inches from the. 99 $162. Give us a call if you have any further questions at 1(800)589-7990. Choose from a wide range of designs and sizes to fit any architectural style from Gaines Manufacturing,. Overall Pick Architectural Mailboxes 6300B. Wall Mount Gray Metal Large Lockable Mailbox. 95 $627. USPS-Approved Mailboxes. Our 4B horizontal mailboxes are USPS approved and in full compliance with the requirements of USPS 4B+. Curbside mailboxes of all types must stand between 6 and 8 inches back from the curb, must be on the same side of the road as all other mailboxes in the area, and must stand between 41 and 45 inches tall. 00 out of 5. 03. Product Line Features: Wide Selection of Both USPS Approved and Private Use/Access Commercial Mailboxes Available. Quick view. This wall mounted residential single family mailbox features an incoming slot that can accept larger mail such as magazines, priority envelopes, DVDs, video tapes, and bank check boxes. Wall mount mailboxes seamlessly combine functionality and accessibility, offering the best mail. One piece Vertical Mail Slots (H4085) come spring loaded. . Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and. CBUs. 35 reviews. $ 229. An optional surface mount collar is available if you do not have enough wall depth to fully recess the 4C mailbox. Our 4C horizontal mailboxes, which can be recess-mounted and feature parcel compartments, are ideal for larger mail volumes typical in residential associations or. There are 5 holes on the front;. Showing all 3 results. $ 2,574. Specializing in residential and commercial mailboxes since 1987. Find the right USPS-approved residential mailbox online for your property. The NEW line of 4C Wall mount mailboxes at National Mailboxes are perfect for apartments and multi-tenant buildings. Usually, curbside and wall-mounted. 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. Rated 4. Constructed of Heavy Duty Aircraft Aluminum and Stainless Steel Components. This unit is for recess mount applications only (17" of wall depth required). 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. These mailbox units can be wall-mounted, recessed into a wall, or mounted on an outdoor pedestal or shelter. 00 $1,999. National Mailboxesletter locker mailboxes are offered with optional in-ground mount pedestals or concrete pad surface mount pedestals. 1400 Series Front Loading Horizontal Mailbox with Master Access Door and 27 Compartments. 5 mail compartments can service up to 5 tenants. Step 1. Before October 6, 2006, multifamily buildings typically used USPS Standard 4B horizontal and vertical mailboxes. Florence. P. Mail supply is ideal for any residential or commercial property. Commercial USPS Approved Mailboxes in North CarolinaThe Best Wall-Mounted Locking Mailbox. $ 205. Florence 1400 series 4B+ horizontal mailboxes are USPS approved for replacement purposes only. valiant outdoor parcel lockers. Rest the post in the hole and re-measure the distance from the road to the bottom of the box. From $569. We also carry individual posts for customers who need replacements or for customers who want to customize a post package of their own.