4C Recessed Mount Mailboxes

4C Mailboxes provide a simple, easy-to-use ‘pre-configured’ line of mailboxes and parcel lockers which meet or exceed every security requirement of the USPS STD-4C regulation for wall-mounted mail receptacles. We offer standard pre-configured modules with integrated parcel lockers in a range of different heights. All units are made to order and non-returnable.

Browse our Surface Mount Collars here

Available Colors

Replacement parts for 4C postal units

Due to high demand, the manufacturer standard lead times have been extended. Please contact us for current lead times.


Click images below to view 4C products by module height
  • All
  • 15 High Suite
  • 14 High Suite
  • 13 High Suite
  • 12 High Suite
  • 11 High Suite
  • 10 High Suite
  • ADA Max
  • 9 High Suite
  • 8 High Suite
  • 7 High Suite
  • 6 High Suite
  • Max Height