Add security to your Mailbox System with an E1 Economy Mailbox Locking Insert Security Kit that mounts inside your E1 Economy Mailbox. Model # mb-double-package. 39. Five Year Warranty. S. Some homes and apartments have a slot in the door for receiving mail instead of a mailbox. We carry residential post mailboxes, indoor mailboxes, and wall-mounted residential mailboxes. Mail: P. 2 Mail Boss Manager 7506 – Best Seller For Letters & Small Parcels. S. Malone Post-Mounted Mailbox + House Numbers, Gray, Black Font, With Post by Modern Aspect (1) SALE. Anti-Pry Mechanism Drop Chute Hopper & Baffle Lock Locking Insert Rear. 99. As low as $728. Mail Slot: 7 in. Locking Mailbox Wall Mounted Vertical- Jssmst mailboxes with Key Lock Large Capacity, Key Lock Drop Box Large Capacity with Galvanized Cover and Rust-Proof Metal, 13. Box 13144, Wauwatosa, WI 53213 Phone: 800-676-5161 We are a leading Wisconsin-based manufacturer & supplier of high-quality USPS Approved & private locking residential & commercial mailboxes. Model # mb-triple-package. 96 Free Shipping. REDMOND WA 98052-4979. 00. U. Mailbox Locking Insert About Special Lite Products Since 1967, Special Lite Products Company, Inc. Box 13144, Wauwatosa, WI 53213 Phone: 800-676-5161 We are a leading Wisconsin-based manufacturer & supplier of high-quality USPS Approved & private locking residential & commercial mailboxes. These are not vaults, but they do protect mail from a casual thief and it will offer an excellent visual deterrent. home; about us;. MV1215 (Locking) American Postal Manufacturing 530 West Oklahoma Avenue, Suite 600 Milwaukee, WI 53207-2649. 10 total votes. FREE delivery Wed, Oct 25 . The minimum requirements for a Cluster Box Unit or parcel drop are lengthy. Horizontal slots must have a flap hinged at the top. You can also try our online chat feature. as the approved units. Mailboss Package Master is my second most hated mailbox. You can order the attachment for the 4x4 post mounting or you can simply measure the underneath insert of the mailbox and cut a piece of 3/4 inch plywood to fit snug onto the bottom of the box. The locking mailbox insert has an ample-sized mail slot with an angled flange to keep unwelcome hands away from your important correspondence; comes with 2 keys. 00 $ 79. gov. 4C Horizontal Mailboxes. Locking mail retrieval door opening: H 5 in. This locking mailbox insert adds a locking compartment to the Capital Mailbox from Whitehall Products. 50 View Options;Salsbury 3312R-U 12 Door Regency Decorative Cluster Mailbox. A locking mailbox insert is a smaller "mailbox" installed inside a regular mailbox. A mailbox should be at a height between 41 and 45 inches. A mailbox with the Postmaster General's (PMG) seal of approval meets USPS size and construction standards. Check them out today! Local: 262-782-6510 Toll Free: 800-571-0147Height Unit - 56-1/2 in. 75 inches high by 10 inches wide;. Salsbury Cluster Mailboxes can be purchased via our website at mailboxes. a locking mail receptacle for each residential unit in a residential hotel, as required by Section 17958. 5. 7. You want to select an option that will work in your property’s central location while adhering to USPS regulations. USPS-approved Residential Mailboxes for Sale. Optional locking insert to protect your valuables and sensitive personal information. U. Locking Mailbox Wall Mounted Vertical- Jssmst mailboxes with Key Lock Large Capacity, Key Lock Drop Box Large Capacity with Galvanized Cover and Rust-Proof Metal, 13. S. x W 6 3/8 in. Once a mail thief sees your lockbox, hopefully they move on to. 4C Horizontal Mailboxes for Apartment Buildings. as the approved units. Simply insert your access key to retrieve your mail. Residential and Commercial Mailboxes (GoMailboxes. Add security to your Mailbox System with an E1 Economy Mailbox Locking Insert Security Kit that mounts inside your E1 Economy Mailbox. In compliance with ADA regulations, the high forward and high side reach shall be a maximum of 48” above the finished floor. The lock box leaves enough room above for. This mailbox is available in multiple finishes and you can choose the one that suits your home. This is a. It allows the delivery of small parcels and mail bundles that makes it perfect for the Internet and catalog shoppers. Working Days/Hours: Residential & commercial mailboxes for sale in Pennsylvania. 8 x 4. 00 $ 99. The USPS-approved Mail Manager comes with three keys and can be mounted on any standard 4-by-4-inch post. More Styles. This USPS Approved Delivery Vault comes equipped With a Full Service Locking Letterbox, a unique security drop door mechanism. An exception to this is a curbside mailbox built by the customer for their own use. Difficult to install. Grande Slim Mailbox. This may seem like a convenient way to advertise a business or a cause, but this can compromise the security of mailboxes, and is a punishable offense that can lead to arrest. Industry-exclusive features, finishes and accessories available. 25"H x 20. Centralized mail delivery works well for large communities, office complexes, college campuses, and military bases. Mail Supply's selection of highly trusted and weather & vandalism resistant locking apartment mailboxes are perfect for your building. Colleges and Schools. Many homeowners and business owners invest in mailboxes with locks to prevent mail and identity theft. Dvault is the leading manufacturer of secure locking residential and commercial mailboxes, including curbside delivery vaults, post mount mailboxes, wall mount mailboxes, delivery vaults, and collection bins. Style: You can add curb appeal to your home by selecting mailboxes that accent your property’s style. 5. 97. 00. The large rear door allows the homeowner to retrieve the mail without having to stand in the road or street. They must meet the same functional requirements as standard mailboxes and must be approved by the postmaster. USPS Approved full-service residential locking security mailbox prevents mail-identity theft; Stainless steel hinges for ease of use ; QUALITY: 14- and 16-gauge galvanized welded steel construction defends against vandalism. dVault Ground Mount Black Metal Small Lockable Mailbox. For this reason, businesses cannot place flyers, promotional materials, or other items inside a mailbox. ON SALE - All Salsbury Mailboxes are on sale in November!. 75″ wide – Locking Mailbox Insert - Deters Mail Theft - Adds a secure locking compartment to standard style common mailboxes (162) $ 89. Mail Boss 7121, Black In-Ground Mounting Post, 43 x 4 x 4 inches, for Use with Mailbox. 12. Model # 311K. Options. Never worry about package theft again with the Curbside Mail and Package Delivery Vault. Get packages delivered the first time and together in. 5″ wide – Locking Mailbox Insert - Deters Mail Theft - Adds a secure locking compartment to standard style common mailboxes (153) $ 109. 2. Check with your local postal carrier to determine if the lockable insert box option is approved in your area. 00 Florence; 1570-8AF - 8 Tenant Door Standard Style CBU Mailbox (Pedestal Included) - Type 1 $1,989. Mailboxes anchored directly to the home may be less likely to be vandalized or have its contents stolen. The Architectural Mailboxes is one of the best locking mailboxes on the market. These mailboxes can be installed indoors or outdoors as long as they follow USPS regulations. $59. N1024985M. Features: Features may include address panels or locking inserts. Small business and homeowners alike can delight in knowing that their mail will be protected in their Roadside Locking Mailbox from National Mailboxes. Contact us today to order! Local: 262-782-6510 Toll Free: 800-571-0147Salsbury 4300 Series Roadside Mailboxes Features. 16'' x 40. BEST OVERALL: Mail Boss Curbside Locking Mailbox. 0147 for more information. Architectural Mailboxes 6300B-10 Oasis 360. USPS Approved. The Mail Boss 7506 Mail Manager Curbside Locking Security Mailbox is a United States Postal Service (USPS) approved full-service residential locking security mailbox. No products found. Appendix A—USPS-Approved Independent Test Laboratories (1) ACTS Test Labs, 100 Northpointe. Slots for incoming mail must be at least 1. 95 per mailbox. 00 $440. BEST BUDGET: Gibraltar Solar Wall Mount. Wall Mounted Locking Mailboxes Ground shipping in the contiguous 48 United States is just $9. 5-Door 3500 Series Vertical Mailbox. Sturdy construction with 14 gauge steel doors and 16 gauge steel bodies with stainless steel hinges. 7. These mailboxes are Estate Sized which means they are big enough to hold magazines and catalogs without bending them, and they can handle more than one days worth of mail if needed. Mail Supply's locking mailboxes include locking mail chests, package delivery vaults, courier drop boxes, key keepers, and package protectors. Locking mailboxes work by using a combination of physical and electronic locks to restrict access to the mailbox. With the patented Fast-Trak© Mounting Plate, you can quickly and easily install your high security mailbox on a Mail Boss In-Ground or Surface Mount Post (sold separately), or mount it on an existing post, platform, or gang plank. Standard Cluster Box Units - USPS Approved . However, the USPS does not include level of security as. O. 2. 5. Choosing a USPS-approved mailbox ensures reliability, security, and compliance, helping you maintain a smooth flow of communication for your. The USPS approved Mail Boss delivers unrivaled security and protection against mail theft, identity theft and vandalism and is the most affordable security mailbox available. The Street Safe is built to last with timeless appeal, featuring our high. AdirOffice Locking Drop Box - Wall Mounted Mailbox. 12 & 14 Gauge electro-galvanized welded steel. Find the right mailbox with maximum security. These locking mailbox inserts add a secure locking compartment inside your standard mailbox to make casual mail theft much more difficult. Made using heavy-duty extruded aluminum and 360-degree wrap-around stainless steel hinges. 4 out of 5 stars 284. The use of locks, locking devices, or inserts on curbside mailboxes on rural and highway contract routes is prohibited. 69in. Your local postmaster might specify the specific location. Buy USPS-Approved Cluster Mailboxes Shipped Direct. Salsbury Industries. Built with aluminum to resist both weather and vandalism, this mailbox has an outgoing mail tray, a lock with two keys, and an adjustable red signal flag. The USPS-approved Mail Manager comes with three keys and can be mounted on any standard 4-by-4-inch post. 25 in. USPS Approved Locking Mailboxes for Commercial Buildings. 75" 20" Details. Postal Service. S. 5"H x 14. National Mailboxes is a division of NMHP Inc. W x 13. The idea is the postal carrier can put the mail in, but the mail can only be extracted by someone who has a key (the owner). Also check out Deluxe Roadside Mailboxes. Introducing the New "F" series CBU -- designed to meet or exceed new USPS Security Standards. My new pal, Mick at “Bad Ass Paint” located in Los Angeles customized my Fort Knox mailbox with an incredible one of a. USPS Regulations for Locking Mailboxes. Letter Locker Locking Mailboxes - USPS Approved. Not ours and not anyone elses. W x 18. The Huntington Decorative Brass Surface Wall Mount Residential Locking Mailbox from National Mailboxes is made from solid brass in the USA. 2. Local: 262-782-6510 Toll Free: 800-571-0147 FAQs Request a Quote Contact2. H x 10 ⅞ in. or lock mailboxes after delivery of the mail. The USPS approved Full Service Vault offers the ultimate in secure mail and package delivery. Compare. Someone posted a link in HOAtalk a couple of years ago for a USPS-approved locking mailbox insert. Mail Supply has the commercial use mailbox you have been searching for with maximum security. Anti-Pry Mechanism Drop Chute Hopper & Baffle Lock Locking Insert Rear Retrieval. 125" Details. h x 20 in. Note: the USPS provides the master lock and only they have the keys to it. Overall courier drop box dimensions: 20"W x 49"H x 26"D. Don't you hate the mail thieves these days? I purchased a. BEST BUDGET: Gibraltar Solar Wall Mount. Compliment your luxury multi-unit residency with secure aluminum USPS approved apartment mailbox units for sale from U. Featuring a rear locking access door for mail retrieval, the rear access Street Safe provides safety, even on high-traffic or high-speed roads. Whether you require USPS-approved mailboxes or private-use units, we've got you covered. They only get better with age because they are made from natural brass with no coating or finish over them,. Private use only. All of our mailboxes are constructed of powder-coated stainless steel and aluminum, allowing them to resist rust, scratches, and vandalism. S. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox. Wall Mounted Locking Mailboxes Ground shipping in the contiguous 48 United States is just $9. S. These units are USPS approved and feature a. Mail: P. 5 inches tall. Please call us Toll-Free at 1-866-717-4943 if you need any assistance. Model # 3716D-20FU. USPS-approved Residential Mailboxes for Sale. 00 $3,239. Check them out today! Local: 262-782-6510 Toll Free: 800-571-014716 Tenant Door Standard Style High Security CBU Mailbox with 2 Parcel Lockers (Pedestal Included) – Type 3 USPS Approved – H1570-16AF. Indoor or outdoor use. Dvault is the leading manufacturer of secure locking residential and commercial mailboxes, including curbside delivery vaults, post mount mailboxes, wall mount mailboxes, delivery vaults, and collection bins. Regardless of which of the locking residential mailboxes is selected, the simple fact is that a locked mailbox deters mail theft and thieves will simply move on to easier, unprotected mailboxes. 470 S MITTHOEFFER RD. Box 13144, Wauwatosa, WI 53213 Phone: 800-676-5161 We are a leading Wisconsin-based manufacturer & supplier of high-quality USPS Approved & private locking residential & commercial mailboxes. Compare. P. Lock Box: 6. Oasis Mailboxes are approved by the United States Postmaster General for postal delivery and pickup. Wall-Mount Mailboxes with Combination Lock, Heavy Duty Mailbox Wall Mount, Mailbox for Outside, Locking Mailbox with Lock,Hanging Secured Postbox,Security Key Drop Box, Black,XL Large. The USPS-approved Mail Boss delivers unrivaled security and protection against mail theft, identity theft, and vandalism and is the most affordable security mailbox available. 00 . Comparison Table – Locking Mailbox Options for USPS [2023] Architectural Mailboxes 6900B Elephantrunk Parcel Drop Box. USPS-STD-7C (Supersedes all previously published lists of approved manufacturers) USPS-approved curbside mailboxes are required to have both “Approved by the Postmaster General” and “U. Shop for Locking Mailboxes in Mailboxes and Mailbox Accessories. National Mailboxes is a division of NMHP Inc. No products found. 99. All hardware required to assemble the mailbox(es) to the deluxe mailbox post is provided with the post. The mailman delivers your mail by depositing it through a slot designed for incoming mail. 75"W x 7"HUS Mail Supply offers a secure locking mail chest to place important mail in, only allowing access to the United State Postal Service. So in 2022, we. Unit Size: 34-1/4″H x 14-1/2″W x 14-1/2. In some cases, the lock nut may still be attached to the lock. Find My Store. 8'' W x 14. Compare $ 173. I purchased a Mail Boss 7506 mailbox. USPS approved full-service residential locking mailbox prevents mail-identity theft ; 14- and 16-gauge electro galvanized welded steel construction defends against vandalism ; Innovative baffle door accepts small packages and deters fishing ; Patented anti-pry latch locking mechanism deters leveraged entryU. As a USPS approved manufacturer, Salsbury Industries conveniently sells USPS Approved Cluster Box Units (CBU's) factory direct. The Mailboss manager is bad, but not as bad as the package master. Its innovative design accepts mail bundles and small packages, yet deters fishing. Architectural Mailboxes 6200B-10 Security Mailbox. Traditional design (see. We offer locking wall mount mailboxes in many styles, so you’re sure to find the perfect mailbox for your home or business. Available in 4 powder coated colors, the embossed colonial eagle and brass mail slot brings added beauty to any mailbox column. Full Product Line of USPS Approved CBU Mailboxes, also known as Cluster Box Units and Cluster Mailboxes. Features: Features may include address panels or locking inserts. See the list of curbside mailbox manufacturers for approved locking style mailboxes (a c urrent listing of approved manufacturers and models can be obtained from the office listed in sectionLocking cluster mailboxes from US Mail Supply are perfect for any commercial or residential areas looking for style and security. 1 Mail Boss Package Master – USPS Approved Mailbox With Anti-Pry Latch Locking Mechanism. has proudly served the United States Post Office for nearly twenty years. Any locking mailbox narrower than 10" is not approved and your. 99. This lockable mailbox comes with 2 keys and its locking door opens forward for easy mail retrieval. Oasis Mailboxes are approved by the United. 2in H x 7. . The Mail Manager PRO is the most elegant & affordable heavy-duty security locking mailbox on the market today. Column Mailboxes are available in locking and non-locking styles. 2 How much do USPS approved locking mailboxes cost?16 Tenant Door Standard Style High Security CBU Mailbox with 2 Parcel Lockers (Pedestal Included) – Type 3 USPS Approved – H1570-16AF. They must meet the same functional requirements as standard mailboxes and must be approved by the postmaster. Furthermore, our locking mailbox insert can be secured inside any mailbox with a minimum 8" wide opening. N1024984M. 5″ wide – Locking Mailbox Insert - Deters Mail Theft - Adds a secure locking compartment to standard style common mailboxes (161) $ 109. Mail Manager Locking Post-Mount Mailbox with High Security Reinforced Patented Locking System, Black. 1. 88. com. U. It features steel construction for durability and aluminum roll-down doors that lock on both ends for enhanced security. Unlock and open door with master lock hole. Large capacity USPS Approved high security locking mailbox ;. Learn More: Mailbox FAQsMPB-700 Black Ground Mount Locking Mailbox and Parcel Box. Ultimate High Security Locking Quadruple Mailbox & Post Package. A Brass Mail Slot tops your choice of 4 powder coated colors. Grande Slim Mailbox. Mail Supply's locking mailboxes include locking mail chests, package delivery vaults, courier drop boxes, key keepers, and package protectors. The USPS-approved Mail Boss delivers unrivaled security and protection against mail theft, identity theft, and vandalism and is the most affordable security mailbox available. These designer Whitehall mailboxes are available as post mount and wall mount mailboxes and offered in a wide selection of different finish colors. Gaines Classic Column Locking Mailbox Insert. More Information. It has a durable steel construction. 9" H x 10. 63 (481) Model# PED00BAM. Victorian Mailbox - Surface Mounted - Beige. 00 (715) Architectural Mailboxes. Local: 262-782-6510 Toll Free: 800-571-0147. Check them out today! Local: 262-782-6510 Toll Free: 800-571-0147If your mailbox has to be replaced, you can only use a USPS-approved traditional, contemporary or locking full/limited service mailboxes. 1570-16AF - 16 Tenant Door Standard Style CBU Mailbox (Pedestal Included) - Type 3 USPS Approved Mailboxes $2,149. Guaranteed rust-free, the attractive powder coat matte finish of these USPS approved wall mount mailboxes comes in black, bronze or white. Steel: durable and rust-resistant construction. E1 Economy mailbox ONLY with Locking Insert, Black. Call Now: 1-800-238-5417. Column Insert Mailboxes. Dvault is the leading manufacturer of secure locking residential and commercial mailboxes, including curbside delivery vaults, post mount mailboxes, wall mount mailboxes, delivery vaults, and collection bins. 2 Premium Mailboxes; 3. (9:00 am to 7:00 pm ET) Saturday 7:00 am to 3:00 pm PT. com) is the one-stop-shop for all your mailbox needs. Local: 262-782-6510 Toll Free: 800-571-0147 FAQs Request a Quote Contact7. The locking insert inside Mailbox is made of galvanized steel and features a tough powder coat finish with locking front retrieval door keeping mail secure from unwanted hands. U. All High Security Mailboxes are Guaranteed for Superior Quality and. Residential Mailbox System with Fleur de Lis Mailbox and Newspaper Holder. 5″ wide Medium Locking Mailbox Insert. $3,119. $132$220. Mail: P. 75 inches high by 10 inches wide. We sell the best mailboxes, address plaques, and home accessories from today’s leading brands. 4300 Series Mail Chest in Silver. All of our mailboxes will be durable enough to handle. The Whitehall Wall Mount Decorative Locking Mailbox from National Mailboxes. $7595. DVault Locking Mailboxes Fast Facts. 2. My opinions are based on usability (do small packages fit, can I use it with one hand motion), not security. Get the Oasis Classic. Mail Supply's locking mailboxes include locking mail chests, package delivery vaults, courier drop boxes, key keepers, and package protectors. Product Code: H1570-16AF. Residential Mailbox System with Fleur de Lis Mailbox. +-Locking Mail Chest +-Pedestal Letter Locker Collection BoxesHere, you will find one of the largest online selections of residential mailboxes for sale. 00 $469. Contact The MailboxWorks. Cast Aluminum – Non-locking mailboxes. 50 View Options. Locked, full, or limited service. Secure your mail with this locking mailbox made of galvanized steel that will not rust ; Incoming mail slot opening: 6-3/8 inch w x 1 inch H ; Larger mail, magazines and Outgoing mail can be placed on top of the locking insert ; Locking door opening: 6-3/8"W x 5"H. USPS-approved Classic post mount locking mailboxes are made to last for a lifetime of service. The flap should not obstruct the mail carriers ability to quickly deliver your mail. The mailbox is attached to a top mount bracket. 5 in. Paired with the matching 14-gauge electro-galvanized steel wood grain in-ground mounting post The Mail manager is tough and refined, high-class yet. Box 13144, Wauwatosa, WI 53213 Phone: 800-676-5161 We are a leading Wisconsin-based manufacturer & supplier of high-quality USPS Approved & private locking residential & commercial mailboxes. $ 89. 6200B-10 Oasis Classic is postmaster general approved, reliable, high security locking parcel mailbox. U. This locking mailbox. 00 out of 5. It measures approximately 9. Manufactured from rust free powder coated aluminum, the Lock Box firmly attaches to the bottom of the mailbox and cannot be removed without the key. As low as $1,235. These mailboxes are offered in a variety of styles and finishes. Mail Supply offers many USPS-approved locking mailboxes that will keep your mail safe from theft. Placement and Location: According to USPS, mailboxes must be between 41 and 45 inches above the road's surface at the point of mail entry or the bottom of the mailbox. 25 in. The Mail Manager PRO is the most elegant & affordable heavy-duty security locking mailbox on the market today. Locking post-mounted mailboxes are popular among homeowners in suburban or rural areas where USPS postal workers deliver mail on foot. BARSKA. 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. If you build your own mailbox or buy a custom-made one, it must meet the PMG standards. 2. While there are a variety of plastic mailboxes available in post-mounted and wall-mounted styles, many homeowners opt to go with galvanized steel. STD-4C Mailboxes. Postal Service5. These keys are specific to the postal service, allowing mail carriers to unlock the boxes and insert mail. S. S. The Package Master is the ultimate security package mailbox for receiving small parcels and securely storing weeks of mail. Someone posted a link in HOAtalk a couple of years ago for a USPS-approved locking mailbox insert. All. Aluminum Recessed-Mounted USPS Access Vertical Mailbox with 4 Door. RTS Home Accents. This USPS Approved Delivery Vault comes equipped With a Full Service Locking Letterbox, a unique security drop door mechanism (U. 4. If the above methods don't work, then you can try with a thin hairpin. 2 parcel lockers are equipped with secure USPS-approved locks. Mailbox Dimensions: 12 ¼ in. Mail Supply. Narrow Results. Architectural Mailboxes. Email Us: Submit a Ticket. Traditional design (see Exhibit A ). Step2 Town-to-Town XL Post-Mount Mailbox, USPS T4 Sized Mailbox, Easy to Install, Durable, Weather. Wide Selection of Commercial Mailboxes both USPS Approved for US Mail Delivery and Private Use-Access for Private Mail Distribution. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. While its shape and size were not specified, the "locked mailbox" was required to meet "applicable functional requirements" and to have a slot for. The sturdy construction of the box units protects the contents against theft. Pedestal Black, Large, Aluminum, Locking, All-In-One Mailbox and Post Combo. 3 in. This applies to incoming and outgoing drop-offs. 75″x10″. Categorized in: Locking Mailboxes. The lock box leaves enough room above for your outgoing mail. An exception to this is a curbside mailbox built by the customer for their own use. 00 Free Shipping. (This is a "mailbox" with a locking door that can be installed inside of an existing mailbox. Wall-mounted | Lockable: Yes (insert) | Package Capacity: Large Best Large Architectural Mailboxes Elephantrunk Parcel Drop Box. Check them out today! Local: 262-782-6510 Toll Free: 800-571-0147USPS Approved full-service residential locking security mailbox prevents mail-identity theft; Stainless steel hinges for ease of use; QUALITY: 14- and 16-gauge galvanized welded steel construction defends against vandalism. Rated 4. Local: 262-782-6510 Toll Free: 800-571-0147 FAQs Request a Quote ContactMailboxes that meet these five important requirements help delivery and collection operations and improve service to the entire route. Mail Boss 7106 Curbside Steel Post Mount Security Locking Mailbox, Black, Extra Large, 21 in. This USPS-approved mailbox features powder-coated galvanized steel and can be mounted on a standard mailbox pole. All these products offer anti-theft features and are USPS approved. Mail Boss’s 7506 Curbside Locking Security Mailbox offers one of the more secure designs among all our choices. x 10 in. Model # 620020B-10. 6510 or 800. Qualarc E1-MLBX-LKIT-GRN Rust Proof Galvanized Mailbox with Locking Insert, Steel Latch and Red Aluminum Flag, Green. USPS-approved Column Mailboxes and Column Mailbox Inserts Why Choose Column Mount Mailboxes? Homeowners, business owners, builders, and developers install column-mounted mailboxes to complement a property’s architecture and provide easy mail retrieval. Full Product Line of Mail and.