NDCBU Mailboxes 16 Doors Rear Loading - Local Postmaster Approval Required H15803 [ enlarge ] Item Id: 7214344 Qty :   Type 3 16-Door NDCBU Mailbox (4 Doors High x 4 Doors Wide) Doors Numbered 1-16 Unit Size: 24-1/8"H x 26-15/16"W x 15"D (includes pedestal) Standard Anodized Aluminum/Silver Finish Qty. 1-2 $875.50; Qty. 3+ Call.