PROBLEM TO BE SOLVED: To provide a post office box unit through which articles such as mail articles, door-to-door delivery articles can be received at ease and a post office box control system using the unit while keeping a convenience by the installation at the outward of the post office.;SOLUTION: In the post office box unit 1, post office boxes 3, 3 are arranged so as to expose the delivery opening 7 of respective individual box 6 to the outside in the space surrounded by wall bodies 2, 2. Memberships who have entered into use contract can release the locking mechanism of a door 4 and enter the unit 1 by transmission and receiving of ID information using a cellular phone, and a locking mechanism which can be unlocked by transmission/receiving of the ID information using a cellular phone is installed also in the individual box 6, and further, a locking mechanism unlocked by transmission/receiving of ID information using a cellular phone is provided in the individual box 6. A sensor detecting presence or absence of mail articles is formed, and arrival of mails is informed periodically to memberships. Meanwhile, on the wall body 2 of the entrance 5 side, a delivery box 11 for articles such as door-to-door particle is provided.;COPYRIGHT: (C)2005,JPO&NCIPI
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