As an indoor solution, these traditional-style mailboxes are most popular in apartment complexes, and university/military housing. The standard for decades, these are available as replacement units for worn out installations. 

Standard Features:

Front load

Recess-mounted

Prepared for USPS installed Master Lock

Anodized aluminum finish

5-pin cylinder tenant cam lock with two keys (1,000 key changes)

Clear plastic number slots or engraved numbers

Snap-on outer trim kit (available by request)

Additional Features:

Private master lock

Configurable door sizes and layout options