Horizontal Mailboxes
National Mailboxes provides USPS approved horizontal mailboxes from the H1400 (front load) and H1500 (rear load) Commercial Mailbox Unit Series. Constructed of heavy-duty aluminum, horizontal mailboxes can also be used for private party access and distribution
Our commercial mailbox unit series is manufactured entirely from heavy gauge thick aluminum with specialized anodized aluminum / silver finish for corrosion-rust proof resistance. The H1400 (Front Load) and H1500 (Rear Load) Horizontal Mailbox Series is designed for a number of different applications.
- Apartments, condominiums, commercial and office buildings, colleges and schools
standard "A" size (5"H x 6.37"W) doors which are available 3, 4 or 5 doors wide and 5, 6, or 7 doors high. Each door comes standard with 5-pin cylinder cam lock with 3 keys, & clear plastic name/number window slot for tenant identification.
- Also available upon request our larger "B" size (5"H x 12.87"W) doors which come 2 doors wide and 5, 6, or 7 doors high. Each door comes standard with 5-pin cylinder cam lock with 3 keys, & clear plastic name/number window slot for tenant identification.
- Each compartment measures 15" deep. Other (custom) larger door sizes and configurations are available upon request.
- These mailboxes are wall mount recessed style units. Recommended minimum wall opening depth is 17".
- Standard finish is anodized aluminum / silver finish. Other finishes available for an additional 15% charge include gold, dark bronze, black, sandstone, silver speck and postal grey.
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Item # H140015FL
15 A-size Door Unit
(5 Doors H x 3 Doors W) 14 Usable Doors; Front Loading (See pricing below) |
Item # H140020FL 20 A-size Door Unit (5 Doors H x 4 Doors W) 19 Usable Doors; Front Loading (See pricing below) |
Item # H140025FL 25 A-size Door Unit (5 Doors H x 5 Doors W) 24 Usable Doors; Front Loading (See pricing below) |
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Item # H140018FL 18 A-size Door Unit (6 Doors H x 3 Doors W) 17 Usable Doors; Front Loading (See pricing below) |
Item # H140024FL 24 A-size Door Unit (6 Doors H x 4 Doors W) 23 Usable Doors; Front Loading (See pricing below) |
Item # H140030FL 30 A-size Door Unit (6 Doors H x 5 Doors W) 29 Usable Doors; Front Loading (See pricing below) |
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Item # H140021FL 21 A-size Door Unit (7 Doors H x 3 Doors W) 20 Usable Doors; Front Loading (See pricing below) |
Item # H140028FL 28 A-size Door Unit (7 Doors H x 4 Doors W) 27 Usable Doors; Front Loading (See pricing below) |
Item # H140035FL 35 A-size Door Unit (7 Doors H x 5 Doors W) 34 Usable Doors; Front Loading (See pricing below) |
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Item # H140310FL 10 B-size Door Unit (5 Doors H x 2 Doors W) 9 Usable Doors Front Loading (See pricing below) |
Item # H140312FL 12 B-size Door Unit (6 Doors H x 2 Doors W) 11 Usable Doors Front Loading (See pricing below) |
Item # H140314FL 14 B-size Door Unit (7 Doors H x 2 Doors W) 13 Usable Doors Front Loading (See pricing below) |
USPS Approved H1400 & H1500 Series
- Available for US Postal Service Use
- Can also be used for Private Party Access / Distribution
Manufactured entirely from heavy gauge thick Aluminum with specialized anodized aluminum finish for corrosion-rust proof resistance, our USPS Approved H1400 Series (Front Load) and H1500 Series (Rear Load) are designed for a number of different applications. Such as apartments, condominiums, commercial/office buildings, colleges, schools, etc. These units are available for U.S. Postal Service use or for private party access. Units come with standard "A" size (5"H x 6.37"W) doors which are available 3, 4 or 5 doors wide and 5, 6, or 7 doors high. Also available upon request our larger "B" size (5"H x 12.87"W) doors which come 2 doors wide and 5, 6, or 7 doors high. Each door comes standard with 5-pin cylinder cam lock with 2 keys, & clear plastic name/number slot for tenant identification. Each compartment measures 15" deep. Other (custom) larger door sizes and configurations are available upon request. Standard finish is anodized aluminum / silver finish. Other finishes available for an additional 15% charge include gold, dark bronze, black, sandstone, silver speck and postal grey.
Front Loading (FL) Horizontals
If ordering Front Loading Horizontals, please note that one door will be used as either a postal door (for U.S. Postal approved units) or as a master door (for private access units), and cannot be used as a tenant door. However, this door can be used as an outgoing mail slot or as an office drop box, upon request.
Rear Loading (RL) Horizontal Mailboxes
If ordering Rear Loading Horizontals, all doors are available for tenant use. Each unit comes standard with removable rear cover.
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DISCOUNT WHOLESALE PRICING LISTED BELOW (OFFERED THIS MONTH ONLY) |
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ITEM # |
DESCRIPTION |
UNIT SIZE (W x H x D) |
QTY:
1-2 |
3+ |
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FRONT LOADING |
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15 "A" Size Door Horizontal Mailbox
(14 usable doors) |
22.75"W x 29.75"H x 15"D |
$365.50 |
Call |
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18 "A" Size Door Horizontal Mailbox
(17 usable doors) |
22.75"W x 35.25"H x 15"D |
$438.50 |
Call |
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20 "A" Size Door Horizontal Mailbox
(19 usable doors) |
29.75"W x 29.75"H x 15"D |
$487.50 |
Call |
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21 "A" Size Door Horizontal Mailbox
(20 usable doors) |
22.75"W x 40.75"H x 15"D |
$511.50 |
Call |
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24 "A" Size Door Horizontal Mailbox
(23 usable doors) |
29.75"W x 35.25"H x 15"D |
$584.50 |
Call |
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25 "A" Size Door Horizontal Mailbox
(24 usable doors) |
35.75"W x 29.75"H x 15"D |
$608.50 |
Call |
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28 "A" Size Door Horizontal Mailbox
(27 usable doors) |
29.75"W x 40.75"H x 15"D |
$681.50 |
Call |
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30 "A" Size Door Horizontal Mailbox
(29 usable doors)
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35.75"W x 35.25"H x 15"D |
$730.50 |
Call |
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35 "A" Size Door Horizontal Mailbox
(34 usable doors) |
35.75"W x 40.75"H x 15"D |
$852.50 |
Call |
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10 "B" Size Door Horizontal Mailbox
(9 usable doors) |
29.25"W x 29.75"H x 15"D |
$545.50 |
Call |
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12 "B" Size Door Horizontal Mailbox
(11 usable doors) |
29.25"W x 35.25"H x 15"D |
$655.50 |
Call |
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14 "B" Size Door Horizontal Mailbox
(13 usable doors) |
29.25"W x 40.75"H x 15"D |
$765.50 |
Call |
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REAR LOADING |
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15 "A" Size Door Horizontal Mailbox |
22.75"W x 29.75"H x 15"D |
$365.50 |
Call |
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18 "A" Size Door Horizontal Mailbox |
22.75"W x 35.25"H x 15"D |
$438.50 |
Call |
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20 "A" Size Door Horizontal Mailbox |
29.75"W x 29.75"H x 15"D |
$487.50 |
Call |
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21 "A" Size Door Horizontal Mailbox |
22.75"W x 40.75"H x 15"D |
$511.50 |
Call |
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24 "A" Size Door Horizontal Mailbox |
29.75"W x 35.25"H x 15"D |
$584.50 |
Call |
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25 "A" Size Door Horizontal Mailbox |
35.75"W x 29.75"H x 15"D |
$608.50 |
Call |
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28 "A" Size Door Horizontal Mailbox |
29.75"W x 40.75"H x 15"D |
$681.50 |
Call |
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30 "A" Size Door Horizontal Mailbox |
35.75"W x 35.25"H x 15"D |
$730.50 |
Call |
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35 "A" Size Door Horizontal Mailbox |
35.75"W x 40.75"H x 15"D |
$852.50 |
Call |
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10 "B" Size Door Horizontal Mailbox |
29.25"W x 29.75"H x 15"D |
$545.50 |
Call |
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12 "B" Size Door Horizontal Mailbox |
29.25"W x 35.25"H x 15"D |
$655.50 |
Call |
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14 "B" Size Door Horizontal Mailbox |
29.25"W x 40.75"H x 15"D |
$765.50 |
Call |
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STANDARD UNITS ABOVE INCLUDE TENANT LOCKS AND KEYS (2 keys per door)
Also included are clear plastic name/number window slots for tenant identification. |
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OPTIONAL ACCESSORIES |
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HMCLPUA |
Private Master Commercial Lock (for Private Use/Access) Includes two keys |
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$29.95 |
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HSONTRIM |
Snap-On Trim Kit (Per Unit) |
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$19.95 |
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HCEDOOR |
Engraved Doors (Per Door) (Standard Doors come with clear plastic name/number window slots) |
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$2.95/door |
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H1400/1500A |
Replacement "A" Size Tenant Door (Door size: 5"H x 6-3/8"W) (Includes lock and two keys) |
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$24.95 |
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H1403/1503B |
Replacement "B" Size Tenant Door (Door size: 5"H x 12-7/8"W)
(Includes lock and two keys) |
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$34.95 |
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ADDITIONAL LOCKS/KEYS |
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HCAKEYS |
Additional Cut Keys (specify key number) (Packed 10 per box - Price per box) |
$29.95 |
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HCKEYBL |
Key Blanks (Packed 25 per Box - Price per box) |
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$29.95 |
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HCL25601 |
Combination Lock 3-Digit (Per Door) |
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$7.95/door |
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HML25701 |
Conversion Lock Kit for Postal to Private Conversion (includes locks, brackets, hardware) |
$49.95 |
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HRSTDLK |
Replacement Tenant Lock for Horizontal Mailboxes (Includes two keys) (Packed 3 per Box - Price per box) |
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$29.95 |


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Custom Horizontal Mailboxes
Custom Horizontal Mailboxes are available upon customer’s request. Please contact one of our mailbox representatives for information on various door sizes, parcel lockers, mail slots, engraving, and lock options |
DOOR SIZES
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"A" Door: 6.375"W x 3"H
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Single Wide, Single High Doors
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"B" Door: 12.875"W x 3"H
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Double Wide, Single High Doors
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"C" Door: 6.375"W x 6.375"H
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Single Wide, Double High Doors
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"D" Door: 12.875"W x 6.375"H
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Double Wide, Double High Doors
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Custom Horizontal Mailboxes
Custom Horizontal Mailboxes are available upon customer’s request. Please contact one of our mailbox representatives for information on various door sizes, parcel lockers, mail slots, engraving, and lock options. |
DOOR SIZES
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"A" Door: 6.375"W x 3"H
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Single Wide, Single High Doors
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"B" Door: 12.875"W x 3"H
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Double Wide, Single High Doors
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"C" Door: 6.375"W x 6.375"H
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Single Wide, Double High Doors
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"D" Door: 12.875"W x 6.375"H
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Double Wide, Double High Doors
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View All Horizonal Mailboxes:
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