To provide an automatic call device provided with a function for judging the telephone number of the highest probability to reach a person for talk from the past calling result to customers.

The automatic call device for calling automatically in accordance with the calling telephone number of the customer is provided with a history means 16 for retaining the call date, day of the week, calling destination, presence/absence, etc., of conversation with a person which are the result of call to the customer as a history and a calling destination judging means 17 for selecting the calling destination of the highest probability of reaching the person for talk from the call date and day of the week by referring to the history of the history means when calling same customer next time.