Abstract: There is provided an information storage system for use in the storage of telephone numbers and the automatic dialling of selected telephone numbers. The system comprises a memory adapted for containing information including a plurality of designations and an associated telephone number, and a display for the display of selected information extracted from the memory. Operator input keys are provided for initially selecting information from the memory comprising a list of designations which are presented on the display. The operator input keys may then be used for further selecting a single designation from the displayed list. A telephone dialler is provided for dialling the telephone number associated with the selected designation and a telephone line interface is provided for linking the telephone dialler to a telephone line and a host telephone.