Recessed 4C Mailboxes - 9 Occupant Doors & 2 Package Lockers

SKU: SY-3710D-09

4C Horizontal Mailboxes Meet Post Office Standards

Features & Specifications

4C horizontal mailboxes are approved by the U.S. Postal Service and meet USPS-STD-4C specifications. 4C horizontal mailboxes are required for wall installation mail receptacles for new construction and significant remodels. USPS-STD-4C regulation requires a one parcel locker for every ten users compartment ratio. STD-4C mailboxes are built out of heavy duty aluminum and stainless steel hardware and are warranted for indoor or outdoor use. Doors include a heavy duty cam lock with a dust/rain shield and three keys. The "Outgoing Mail" compartment is equivalent to two 3-1/4' high standard doors and is used for outgoing mail collection & as a master entry door. The outgoing mail compartment includes a 10-3/4" W x 3/4" H mail slot and weather protection hood. Cabinets include factory installed 3/4" W x 1/4" D trim.

  • Unit Size: 31 1/8"W x 37 7/8"H x 16 1/2"D
  • 4C cabinet weight - 130 lbs.
  • Optional surface mount enclosure available for an additional charge
  • Unit has standard mail compartments which are 12 3/4"W x 3 ¼"H
  • Unit has two integrated parcel lockers which are 15 1/2"H & 17 ¼"H

Optional Features

Finish Option

(STANDARD) Finish for 4C mailboxes is offered in 4 powder coat colors. The finish for the STD-4C mail receptacles is rated for interior or exterior use. Color chips are offered upon request at no charge

Door Id Option

(STANDARD) Custom placards are an often used door identification option for 4C mailboxes. Each self-adhesive metal placard measures 1.75"W x 1.5"H x .025"D and can be personalized alpha-numerically to your requirements up to four characters.

(+$55.00) Custom engraved door identification for 4C horizontal mailboxes provides the client a permanent clean door identification option. The engraved characters on your compartment doors will display through in silver with this door identification option because the cabinet is manufactured from aluminum. STD-4C mailbox buyers can specify up to 4 characters per door at no additional charge.

(+$55.00) Custom black filled engraving adds a touch of class to your mailbox. Each 4C horizontal mailbox door is engraved with the characters you specify and then filled in with a black ink to enhance the door identification.

Access Option

(STANDARD) USPS access indicates that the 4C horizontal mailbox will be used for delivery of U.S. Mail by the mailman. Because the mail receptacle is going to be used for Postal Service delivery the outgoing mail door which doubles as the master control door and parcel locker doors will be prepared to accept the postal arrow lock that the USPS will install in the field upon your request.

(+$105.00) Private access indicates that the 4C horizontal mail receptacle will be used for a private application by the end users. In this case the Postal Service will not directly access the mailbox for delivery. A private access 4C horizontal mailbox will come equipped with a private lock on the master access door and on the parcel locker(s) if applicable.

Load Type Option

(STANDARD) Front loading 4C mailboxes refers to the side of the commercial mail receptacle which master entry to all the compartments at one time is gained by the U.S. Postal Service if for USPS access or a private individual if for private access. The master door for the front loading STD-4C mailbox is gained through the outgoing mail compartment.

(+$480.00) Rear loading 4C horizontal mailboxes refers to the side of the centralized mail receptacle which master access to all the compartments at one time is gained by the USPS if for USPS access or a private individual if for private access. A rear loading 4C horizontal mailbox comes with a latching rear doors(s) on continuous hinge(s) that is not locking. Therefore, a secure room for mail distribution is required if for U.S. Mail delivery and suggested if for private distribution.

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