A method to operate at least one electronic lock box facility that includes detection of information about at least one lock box unit of a lock box facility of at least one lock box facility in which a shipment associated with a party is to be deposited, by a computing unit, based on a reservation for this lock box facility associated with a party, whereby the reservation information contains lock box type related information that comprises the number of dynamically reserved lock box units of a lock box type, the section of a lock box unit of at least one lock box unit based on the determined, provided information; acquisition of an identifier associated with the shipment to be deposited in the lock box facility by means of detection; and linking of the acquired identifier of the shipment with the selected lock box unit.