com offers a variety of commercial mailboxes for U. For more product info contact the National Mailboxes Customer Support Center at 1-800-676-5161. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. Florence 4C Mailbox Suites are a secure, attractive and easy-to-use line of wall-mounted mailboxes and parcel lockers. FAQs Request a Quote Contact. $735. Ideal for commercial buildings, multi-family housing units, apartment complexes, government and military bases, schools, colleges and other. Quantity: Page 1 of 1 1. $2,899. 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 requirements for new construction and major renovations. This means any USPS commercial mailboxes need to have the following: Size requirement of a minimum 12” width x 15” depth x 3” height. Cluster Box Units (CBU’s) Standard Cluster Box Units; Decorative Cluster Box Units; Outdoor Parcel Lockers; 4C Horizontal Mailboxes. Many models include parcel lockers and letter drops for outgoing mail. Accessories: $10 – $35, $20 – $553. When it comes to commercial mailboxes for sale in Louisiana, you won’t find better selection, service—or prices—anywhere. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. Take our suite of 4C horizontal mailboxes. Effective October 5, 2006, all new designs approved for NEW CONSTRUCTION AND MAJOR RENOVATION require U. A USPS Approved mailbox refers to any commercial or residential mailbox that is pre-approved by the Post Office prior to proper installation. Outdoor Mailboxes; Indoor Mailboxes;Designed for replacement and retrofit installations, Salsbury 4B+ horizontal style commercial mailboxes are ideal for apartments, condominiums and office buildings. Salsbury 3312R-U 12 Door Regency Decorative Cluster Mailbox. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. We also have USPS-approved collection boxes by Auth Florence Manufacturing. 1. Print Email. Commercial mailboxes are those that are contained in one or more sturdy cabinets and mounted in the same location, such as. 4B Horizontal Mailboxes – come in four colors and are ideal for private mail. N1031083. Fast Shipping. $375. Commercial Mailboxes. 75 inches deep by 48. Horizontal 4C mailboxes are USPS approved (STD-4C) and 4C depot style mailboxes are for private deliveries only. If you have multiple tenants or employees, check out the Salsbury 2116 Front Loading model. Introducing the New "F" series CBU -- designed to meet or exceed new USPS Security Standards. Postal Carrier to install their arrow lock for the master door (this allows the postal carrier to deliver mail to all individual. Features. Fast Shipping. Doors come with Standard Number Slots for Door Identification. approved; Manufactured by Salsbury Industries to USPS-STD-7B specifications; Made entirely of aluminum; Feature both a front and rear access locking door; Include a lock with 2 keys on each door (keyed alike)Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. 306 Items Found Shop by Category Category + 4C Horizontal Mailboxes + Versatile™ Series 4C Horizontal Mailboxes + 16-Door High Suite (56 1/2"H) - (2 to 20 USPS. 4C Free-Standing Horizontal Mailboxes include a U. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. Centralized mailboxes fit this need. Model # 3507SU. USPS Approved Commercial Mailboxes. Sort By: PEDESTALS SOLD. USPS Approved Commercial & Community Mailboxes. Supplies Cost: $10 – $25, $15 – $40. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. USPS-Approved mailboxes in black and black powder coat finish for commercial properties, residential properties, indoors, outdoors, and more! Local: 262-782-6510 Toll Free: 800-571-0147. USPS-Approved Commercial Mailboxes in Tennessee For larger communities and commercial properties, curbside and wall-mounted mailboxes fail to meet mail delivery needs, especially when centralized mail delivery is desired. Learn more!Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. This includes mail that fits into regular envelopes and can fit into a 12” wide, 15” deep outgoing mail compartment. Mail Chests (1 Product) Grid List. 571. H) $299. Whether you need a great professional look for a business park or industrial. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. You save: $505. USPS-approved and private use 4C, 4B+, Cluster Box Units, & more. Horizontal 4C mailboxes are USPS approved (STD-4C) and 4C depot style mailboxes. Model # 3304R. S. Commercial USPS-Approved Mailboxes in Wisconsin. And all powder coated paint finish colors are weather resistant, rust proof. Be sure that your packages are under ten ounces, unless you are mailing to an APO, DPO, or FPO location and are paying with a method other than postage stamps. Product Line Features: Wide Selection of Both USPS Approved and Private Use/Access Commercial Mailboxes Available. Our USPS. S. Vault drop boxes offer convenience for residential and commercial purposes. Postal Service will only deliver to your mailbox if it's up to their standards - including box size, location, slot dimensions and identification info. Interested in USPS Approved Horizontal Mailboxes? Browse our selection of USPS Approved Horizontal Mailboxes, sure to fit your specific needs. S. (1 to 10 USPS Approved Mailboxes) +-9-Door High Suite (33 3/4"H) - (2 to 16 USPS Approved Mailboxes)Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. S. 00 $3,910. S. Also check out Deluxe Roadside Mailboxes. Mail slots on commercial mailboxes will generally. $1,996. A high-quality commercial mailbox, approved by the USPS, ensures your tenants and commercial clients have direct and easy access to their mail. The Postal Service annually publishes a list of USPS-approved mailbox equipment and approved manufacturers in its Postal Bulletin. 4B+ Horizontal Mailboxes. Replace your small mailbox 1 with a new package-friendly mailbox big enough for all your mail, too. $3,574. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. Contact us online , or call (541) 389-4928 for more details. Horizontal 4C mailboxes are USPS approved (STD-4C) and 4C depot style mailboxes are for private deliveries only. Salsbury Cluster Mailboxes can be purchased via our website at mailboxes. S. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. PEDESTALS SOLD SEPARATELY. F181570-12. Outdoor Parcel Lockers (OPL's) are U. Multiple 4C Mailbox units can be used together to create larger centralized mail delivery installations. Commercial & Community Mailboxes that are USPS Approved Since 2005, USPS-approved Florence commercial mailbox units have set the industry standard for outdoor centralized mail delivery. Front loading units swing on a continuous hinge with one mailbox opening required for a master commercial lock that cannot be used for mail distribution and include a solid rear cover. With F-Spec mailboxes, outdoor. Sometimes your commercial mailbox might just looks super old compared to the rest of the area. You can find our mailboxes in apartments, high schools, post offices, and hospitals across Colorado. S. Includes USPS 4B+ Security Upgrade Kit. Wholesale Pricing $2,031. 4B Vertical Mailboxes – options include surface mounted or recessed mounted. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. Post-Mounted: $375 to. Model # 3706S-1P. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. N1029455. Post Cost: $12 – $40, $20 – $80. Learn More. $1,836. Made entirely of aluminum, Salsbury 3600 series 4B+ horizontal mailboxes are USPS approved and feature a durable powder coated finish. Small business and homeowners alike can delight in knowing that their mail drops will be protected in these mail drop boxes. $2,780. View All Products. This is indicated with the "X" on every photo. F181570-12. Mailboxes for Homes. 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 durable and. Businesses and residents alike, especially older residents, will appreciate the convenience of centralized mail delivery. 97 out of 5. These high security USPS approved cluster box units (CBU. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. The USPS. $ 1,806. Commercial Shop indoor and outdoor mailboxes for apartment complexes, condos, offices, colleges, or. This means using a centralized mailbox system. S. Salsbury’s residential mailboxes are built to fit any housing configuration, specially designed to meet the unique needs of a variety of home styles. S. PEDESTALS SOLD SEPARATELY. US Mail Supply carries a huge selection of commercial mailboxes built to USPS specifications. We offer a wide selection of high quality apartment mailboxes , CBU mailboxes ( cluster box units ), horizontal mailboxes, vertical mailboxes, pedestal and wall mounted mailboxes as well. But you don’t want any old mailbox. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. You save: $367. 1. Cluster Mailboxes for Sale - USPS Approved. 97 out of 5. S. $4,600. Here are the USPS regulations for Locking Mailboxes: Do not rely on USPS carriers to open locked mailboxes as they do not accept mailbox keys; The slots for the incoming mail must be a minimum of 1. In business since 1936, Salsbury Industries is home to both our mailboxes. Local: 262-782-6510 Toll Free: 800-571-0147. 00 (20%) Free Shipping. Choose Options. S. We carry residential post mailboxes, indoor. S. USPS Approved Commercial, Apartment, & Residential Units The U. 00 Free Shipping. O. The Freestanding Depot Enclosure with 4C Horizontal Mailbox is ideal for use at colleges, schools, private postal centers, corporate mail centers, military bases, government agencies, and many other. $3,159. 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. A USPS Approved mailbox refers to any commercial or residential mailbox that is pre-approved by the Post Office prior to proper installation. 8 Available Colors. Here are some key USPS regulations that pertain to commercial mailboxes: USPS-Approved Mailboxes: Perhaps the most fundamental USPS regulation is the requirement for commercial mailboxes to be USPS-approved. Front Loading Style. These high quality cluster mailboxes are front loading style and include all tenant door. Mail Supply - perfect USPS approved or private use boxes for commercial or residential areas. 00 $299. Postal Service will be delivering the mail to each bank of mailboxes. 5 inches deep. Find the right commercial outdoor mailbox for your property. +-ADA MAX Suite (37 1/4"H) - (1 to 10 USPS Approved Mailboxes) +-9-Door High Suite (33 3/4"H) - (2 to 16 USPS Approved Mailboxes) +-8-Door High Suite (30 1/4"H) - (1 to 14 USPS Approved Mailboxes). 1. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. Rated 5. For more detailed specifications, please view this Technical Drawing. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. USPS-Approved Commercial Mailboxes in South Carolina. Regulations for Residential and Commercial Mailboxes. If you run an apartment complex, you likely have a lot of tenants that need mail. we offer a vast selection of commercial mailboxes for community spaces. Contact U. National Mailboxes offers a wide selection of high quality USPS Approved and private use-access style Pedestal Mailboxes. Every secure mail dropbox we carry is made for commercial use, but can also be used for. Local: 262-782-6510 Toll Free: 800-571-0147. S. 3 Approved Models 1. All High Security Mailboxes are Guaranteed for Superior Quality and Craftsmanship. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. S. $450. But these mailboxes, which have multiple customer compartments in the same cabinet, are also ideal for apartments and some communities that would make good use. Include matching pedestal. 4C Horizontal mailboxes are designed to ensure that a maximum number of USPS compliant tenant compartments are available within the given height, and meet Fair Housing ADA installation requirements. Salsbury 3500 Series surface mounted vertical mailboxes are available in 5 contemporary colors. The industry leader in the manufacturing and distributing of quality commercial and residential mailboxes, Salsbury Industries is officially licensed by the USPS to manufacture Cluster Box Units (CBU’s). The centennial mailbox by Architectural Mailboxes is the first design to receive united states postal service approval against the new USPS standard 7C regulation, released in. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. Postal Products Unlimited, Inc. $2,524. S. 00 $420. And all powder coated paint finish colors are weather resistant, rust proof. 50 View Options. When it comes to commercial mailboxes for sale in Arizona, you won’t find better selection, service—or prices—anywhere else. For more product info contact the National Mailboxes Customer Support. Rack Ladder System – with rear loading options and a variety of door sizes. And all powder coated paint finish colors are weather resistant, rust proof. The 4C line of mailboxes fit this need. Commercial mailboxes are indeed secure solutions for businesses and multi-tenant properties. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. Put your house or apartment number on the mailbox. Narrow Results. P. Parcel lockers need to exist at a 1:10 parcel to customer compartment ratio. S. Technical Specifications (Dimensions, etc. 00 $2,279. Give your tenants a safe and private place to collect their mail. Buy USPS Approved Apartment Mailboxes for Sale Online from U. Postal Service. P. US Mailboxes is committed to continuing the values of maintaining a high quality service in a prompt and timely manner. Residential & commercial mailboxes for sale in Pennsylvania. Contact us today! Local: 262-782-6510 Toll Free: 800-571-0147. Vault drop boxes offer convenience for residential and commercial purposes. 1. 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. Shop online or call: 800. As a USPS approved manufacturer, Salsbury Industries conveniently sells USPS Approved Cluster Box Units (CBU's) factory direct. Commercial USPS-Approved Mailboxes in Washington. USPS Approved Commercial, Apartment, & Residential Units The U. Our USPS. Narrow Results. SKU. Details. Commercial USPS Approved Mailboxes in North Carolina. The 13 door cluster mailbox is USPS approved - a perfect outdoor pedestal mailbox for apartments and commercial buildings. 20 Tenant Doors with 2 Parcel Lockers and 1 Outgoing Mail – Freestanding Depot Enclosure with 4C Horizontal Mailbox Unit (USPS Approved) – H4C16D-20-D. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. Surface Mounted 4C Horizontal Mailbox Unit (includes 3716S-06 Mailbox, 3816S Enclosure and Master Commercial Locks) - Maximum Height Unit (57 3/4 Inches) - Single Column - 6 MB1 Doors / 1 PL3 and 1 PL4. 4C horizontal mailboxes. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. P. Each unit has a corrosion and weather resistant powdercoat finish making the 4C mailbox suite ideal for both indoor and outdoor mail delivery. EMPTY. The standard features for our parcel lockers includes a full range of finishes, engraved doors, and included pedestal stand base. Salsbury 4800 Series SpreadersFeaturesMade of heavy duty aluminumAvailable in 4 widths (2-wide, 3-wi. Made entirely of aluminum, 3700 series 4C horizontal mailboxes are U. Commercial Mailboxes for USPS Delivery; Commercial Mailboxes for Private Use; Outdoor Commercial Mailboxes; Indoor Commercial Mailboxes; Shop All Commercial Mailboxes; Contact U. These high-quality units are secure and durable. You save: $399. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. Mail: P. How expensive is a mailbox in New York? Mailbox prices in New York vary, but you can find them at the following price ranges: Low Estimate: $46 – $125. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. Salsbury Cluster Mailbox Unit with 4 Doors and 2 Parcel Lockers with USPS Access - Type V. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. Salsbury 3308-U 8 Door Cluster Mailbox - USPS Approved. They can be used for indoor and/or outdoor centralized mail delivery. S. Availability: In stock. Each CBU comes with high-security features that deter mail theft before it starts. Add to Wish List. California already benefits from moderate coastal temperatures throughout most. According to USPS mailbox requirements, commercial mailboxes should abide by Standard 4C Mailbox Specifications. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. Buy mailboxes online, including USPS approved commercial pedestal mailbox systems, mailroom supplies, totes and sorters for sale with fast shipping. 16 Tenant Door Standard Style High Security CBU Mailbox with 2 Parcel Lockers (Pedestal Included) – Type 3 USPS Approved – H1570-16AF. Their robust construction, locking mechanisms, USPS approval, and additional security features make them a reliable choice for mail storage and protection. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. m. Add to Cart. 00 $239. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. Commercial Mailboxes jamesr 2022-11-07T10:54:16-08:00 Commercial Wall Mount Mailboxes, 4 C Pedestal Mailboxes, Cluster Box CBUs and more! LOCKING MAILBOXES sells a wide range of “USPS Approved” Commercial Mailboxes all designed with new and approved mailbox features!Browse U. Find a variety of USPS approved mailboxes for new construction, renovation or replacement projects, including cluster, horizontal, vertical, locking and parcel delivery. 16 Door Cluster Mailbox - CBU (Pedestal Included) - Type 3 USPS Approved Mailboxes - 1570-16AF. At BudgetMailboxes. (Normally In-Stock) Excludes CBUs with custom numbering. Postal Service. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. USPS approved locking mailboxes from US Mail Supply are available in a wide variety of styles and finishes. 3308-U. An approved Cluster or 4C Horizontal unit will be prepped for the U. FAQs Request a Quote Contact. 3316-U. Our selection of pedestal mounted and cluster outdoor mailboxes are built to USPS standards and resist rain, snow, and more. 5 inches deep. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. The units range in size from eight to 30 doors, so you get a heavy-duty mailbox that fits your facility. 8 Door Cluster Mailbox - USPS Approved - Pedestal Included. m. 86 out of 5. Includes: Mailbox, Tenant Door Locks With 3 Keys Each, 20 Tenant Compartments, 2 Parcel Compartments, Outgoing Mail Slot. The Freestanding Depot Enclosure with 4C Horizontal Parcel Locker from National Mailboxes provides the perfect solution for your stand-alone installation needs. Availability: In stock. Model # 12503HA. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. Mail Chests are made entirely of aluminum, are approved for U. 00 . They must still meet USPS standards. If you want a quality mailbox with additional security, we always recommend our Cluster Box Unit. 75 inches deep by 48. Postal Service. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. Our USPS. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. Mail Supply are built with this in mind. Buy USPS-approved commercial outdoor mailbox clusters for apartments, offices, companies, and businesses throughout the US. 4-Door 3500 Series Vertical Mailbox. Made entirely of aluminum, Salsbury 3600 series 4B+ custom horizontal mailboxes and parcel lockers are available in front loading or rear loading units. Buy 4C Horizontal Parcel Lockers factory direct from mailboxes. 00. 5 inches wide by 18. P. Done. Mail Supply by calling 262. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. 75″x10″. Model # 3305U. P. Whether you need one for residential or commercial use, these vault mailboxes can hold up to 2+ weeks of mail and parcels while you're away for weekends and vacations. 97 + free shipping. Postal Service. S. Supplies Cost: $10 – $25, $15 – $40. Florence 4C mailboxes are USPS approved for new construction and major renovation projects. com. FAQs Request a Quote Contact. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. S. Commercial 4C private use mailboxes from US Mail Supply are ideal for use in apartments, offices, businesses, and other commercial properties. 4 Oversized Tenant Doors with 1 Parcel Locker and 1 Outgoing Mail – 4C Wall Mount 8-High Horizontal Mailbox Unit – H4C08D-04. Model # 3816S-06. Postal Service-approved model features a compact design and sturdy post. It signifies that the mailbox meets USPS standards for safe and efficient mail delivery. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. Outdoor apartment mailboxes from US Mail Supply are built to withstand sun. Learn More. As low as $1,137. They are designed with elegance in mind, and are ideal for commercial developments and residential neighborhoods. 75. Our CBUs have as few as four distinct compartments and as many as 16, including separate sections for large parcels. The Freestanding Depot Enclosure with 4C Horizontal Mailbox from National Mailboxes provides the perfect solution for your stand-alone installation needs. 12 Tenant Door Classic Decorative High Security CBU Mailbox with 1 Parcel Locker (Pedestal Included) – Type 2 USPS Approved – H1570-12AF-DC. $1,103. Safe to use. Choosing a USPS-approved mailbox ensures reliability, security, and compliance, helping you maintain a smooth flow of communication for your business. It has ample space for letters, bills, and advertisements. Rated 5. An approved Cluster or 4C Horizontal unit will be prepped for the U. Including the pedestal, the total unit height is 62 inches. $1,768. Cluster Mailboxes - usps approved -. Email Us: Submit a Ticket. For more product info contact the National Mailboxes Customer Support Center at 1-800-676-5161. Postal Service will only deliver to your mailbox if it's up to their standards - including box size, location, slot dimensions and identification info. Place your mailbox 6″ to 8″ back from the curb. Pedestal-mounted USPS-approved CBU. Accommodate 1-29 residents per Mailbox Unit. Salsbury Industries carries a complete line of USPS approved commercial mailboxes. These high security commercial Cluster Box Units (CBU) are made entirely of heavy duty extruded. Approved. Tenant door locks and keys are included along with standard protective. Incorporate security features to help prevent break-ins. Choose from freestanding, wall mount, cluster, and parcel lockers models with various features and colors. 00 $3,239. These (USPS Approved) high security type Cluster Mailboxes are outdoor rated and weather resistant and weather-proof. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. Postal Carrier to install their arrow lock for the master door (this allows the postal carrier to deliver mail to all individual. USPS-approved cluster box mailboxes come with eight to sixteen doors. S. 00. We are the leader in providing high quality collection mailboxes in the United States. In business since 1936, Salsbury Industries is home to both our mailboxes. S. Postal Products Unlimited, Inc. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. 50 View Options. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. Mail Chest Locking Mailbox (USPS Approved) – H4350. Industry-exclusive features, finishes and accessories available. $2,849. If you want a mailbox compliant with US Postal Service STD-4C, we have them. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. 00 Add to CartUS Mail Supply offers a variety of locking mailboxes for all commercial properties. Postal Service will only deliver to your mailbox if it's up to their standards - including box size, location, slot dimensions and identification info. com, we have cost-effective and space-saving mailboxes that meet your needs. 4C Horizontal Mailboxes . " Step 2: Choose a Post Office location and. S.