4C Standard Mailboxes

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Recessed Mounted 4C Mailboxes are available in the following heights (click image to filter products by height):


Max Height
15 High
14 High
13 High
12 High
11 High
10 High
ADA Max
9 High
8 High
7 High
6 High

Note: Drawings shown are for your quick reference only. For specific standards, consult local building codes and USPS requirements in your region.

Salsbury Maximum Height 4C Horizontal Mailbox with 15 Doors and 3 Parcel Lockers with USPS Access - Front Loading (SHIPS IN 2-4 WEEKS)
from $2,950.00
from $2,950.00
Salsbury 3700 Series Recessed Mounted 4C Horizontal Mailboxes - Front Loading - U.S.P.S. Access Features Recessed Mounted 4C Horizontal Mailboxes are U.S.P.S. Approved Manufactured by Salsbury Ind...
Salsbury Maximum Height 4C Horizontal Mailbox with 20 Doors and 2 Parcel Lockers with USPS Access - Front Loading (SHIPS IN 1_2 WEEKS)
from $3,215.00
from $3,215.00
Salsbury 3700 Series Recessed Mounted 4C Horizontal Mailboxes - Front Loading - U.S.P.S. Access Features Recessed Mounted 4C Horizontal Mailboxes are U.S.P.S. Approved Manufactured by Salsbury Ind...
Salsbury Maximum Height 4C Horizontal Mailbox with 10 Doors and 4 Parcel Lockers with USPS Access - Front Loading (SHIPS IN 1-2 WEEKS)
from $2,690.00
from $2,690.00
Salsbury 3700 Series Recessed Mounted 4C Horizontal Mailboxes - Front Loading - U.S.P.S. Access Features Recessed Mounted 4C Horizontal Mailboxes are U.S.P.S. Approved Manufactured by Salsbury Ind...
Salsbury 6 Door High 4C Horizontal Mailbox with 4 Doors with USPS Access - Front Loading
from $670.00
from $670.00
Salsbury 3700 Series Recessed Mounted 4C Horizontal Mailboxes - Front Loading - U.S.P.S. Access Features Recessed Mounted 4C Horizontal Mailboxes are U.S.P.S. Approved Manufactured by Salsbury Ind...
Salsbury 10 Door High 4C Horizontal Mailbox with 10 Doors and 2 Parcel Lockers with USPS Access - Front Loading
from $2,005.00
from $2,005.00
Salsbury 3700 Series Recessed Mounted 4C Horizontal Mailboxes - Front Loading - U.S.P.S. Access Features Recessed Mounted 4C Horizontal Mailboxes are U.S.P.S. Approved Manufactured by Salsbury Ind...
Salsbury 10 Door High 4C Horizontal Mailbox with 9 Doors and 2 Parcel Lockers with USPS Access - Front Loading
from $1,920.00
from $1,920.00
Salsbury 3800 Series Surface Mounted 4C Horizontal Mailboxes - Front Loading - U.S.P.S. Access Features Surface Mounted 4C Horizontal Mailboxes include a U.S.P.S. approved 4C horizontal mailbox un...

STD-4C UNITS

Florence offers the broadest line of front-load USPS Approved STD-4C mailboxes and accessories on the market today with nearly 150 preconfigured modules to choose from and endless options if you wish to customize your solution. Front-loading mailboxes include a Master Loading Door prepared for the USPS Arrow Lock providing easy access to all compartments simultaneously by the carrier.