Product Catalog Commercial Mailboxes Commercial Mailboxes Available from National Mailboxes Residential Mailboxes - USPS Approved & For Private Use/Access Collection Boxes - USPS Approved & For Private Use/Access Other Mailbox Products - USPS Approved & For Private Use/Access Lockers National Mailboxes provides high quality lockers, including standard lockers, vented lockers, box type lockers, designer lockers, storage lockers, specialty lockers, locker benches and locker accessories.